312 in Roman numerals
CCCXII
The number 312 is written as CCCXII in Roman numerals.
More about the number 312
See the full profile of the number 312 — its prime factorization, divisors, number-theory properties and how it is written in Greek, Arabic, Chinese, Hebrew, Egyptian and Maya numerals.
Want the rules? Read the Roman numerals guide to see how the symbols combine.