312732113215312 has 80 divisors (see below), whose sum is σ = 692712099480960. Its totient is φ = 133982794842624.

The previous prime is 312732113215307. The next prime is 312732113215321. The reversal of 312732113215312 is 213512311237213.

It is a super-2 number, since 2×312732113215312² (a number of 30 digits) 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 15 ways as a sum of consecutive naturals, for example, 5005524618 + ... + 5005587094.

It is an arithmetic number, because the mean of its divisors is an integer number (8658901243512).

Almost surely, 2^{312732113215312} is an apocalyptic number.

It is an amenable number.

312732113215312 is an abundant number, since it is smaller than the sum of its proper divisors (379979986265648).

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

312732113215312 is a wasteful number, since it uses less digits than its factorization.

312732113215312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76868 (or 76862 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The spelling of 312732113215312 in words is "three hundred twelve trillion, seven hundred thirty-two billion, one hundred thirteen million, two hundred fifteen thousand, three hundred twelve".