212955274 has 12 divisors (see below), whose sum is σ = 371585394. Its totient is φ = 91266504.

The previous prime is 212955241. The next prime is 212955289. The reversal of 212955274 is 472559212.

It can be written as a sum of positive squares in only one way, i.e., 210975625 + 1979649 = 14525^2 + 1407^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1086409 + ... + 1086604.

Almost surely, 2^212955274 is an apocalyptic number.

212955274 is a deficient number, since it is larger than the sum of its proper divisors (158630120).

212955274 is a wasteful number, since it uses less digits than its factorization.

212955274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173029 (or 2173022 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 212955274 is about 14592.9871513683. The cubic root of 212955274 is about 597.1674581466.

It can be divided in two parts, 21295 and 5274, that added together give a square (26569 = 163²).

The spelling of 212955274 in words is "two hundred twelve million, nine hundred fifty-five thousand, two hundred seventy-four".