312254012 has 24 divisors (see below), whose sum is σ = 625731456. Its totient is φ = 133561008.

The previous prime is 312253951. The next prime is 312254021. The reversal of 312254012 is 210452213.

It is a super-2 number, since 2×312254012² = 195005136020192288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3983 + ... + 25305.

It is an arithmetic number, because the mean of its divisors is an integer number (26072144).

Almost surely, 2^312254012 is an apocalyptic number.

It is an amenable number.

312254012 is an abundant number, since it is smaller than the sum of its proper divisors (313477444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312254012 is a wasteful number, since it uses less digits than its factorization.

312254012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21857 (or 21855 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 312254012 is about 17670.7105686217. The cubic root of 312254012 is about 678.4263002989.

The spelling of 312254012 in words is "three hundred twelve million, two hundred fifty-four thousand, twelve".