312436540612 has 48 divisors (see below), whose sum is σ = 662946197760. Its totient is φ = 125774180352.

The previous prime is 312436540579. The next prime is 312436540639. The reversal of 312436540612 is 216045634213.

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, 413037 + ... + 891892.

It is an arithmetic number, because the mean of its divisors is an integer number (13811379120).

Almost surely, 2^312436540612 is an apocalyptic number.

It is an amenable number.

312436540612 is an abundant number, since it is smaller than the sum of its proper divisors (350509657148).

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

312436540612 is a wasteful number, since it uses less digits than its factorization.

312436540612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305460 (or 1305458 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 312436540612 in words is "three hundred twelve billion, four hundred thirty-six million, five hundred forty thousand, six hundred twelve".