212 (number)

← 211 212 213 →
Cardinaltwo hundred twelve
Ordinal212th
(two hundred twelfth)
Factorization22 × 53
Divisors1, 2, 4, 53, 106, 212
Greek numeralΣΙΒ´
Roman numeralCCXII, ccxii
Binary110101002
Ternary212123
Senary5526
Octal3248
Duodecimal15812
HexadecimalD416

212 (two hundred [and] twelve) is the natural number following 211 and preceding 213.

In mathematics

212 is the sum for the first 26 totient integers.[1]

It is the smallest 3-digit number where is also a prime number [2][3]

In other fields

On the Fahrenheit scale of temperature, 212° is the boiling point of water under standard pressure at sea level.[4]

References

  1. ↑ "A000010 - OEIS". oeis.org. Retrieved 2025-02-06.
  2. ↑ "212/(2*1*2) - Wolfram|Alpha". www.wolframalpha.com. Retrieved 2026-08-18.
  3. ↑ Caldwell, Chris K. "Prime Curios! 53". t5k.org. Retrieved 2025-02-06.
  4. ↑ "Facts About Water | U.S. Geological Survey". www.usgs.gov. 2019-10-22. Retrieved 2026-06-17.