312515512530312 has 128 divisors (see below), whose sum is σ = 983948662287360. Its totient is φ = 80504890502400.

The previous prime is 312515512530307. The next prime is 312515512530329. The reversal of 312515512530312 is 213035215515213.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1663780314 + ... + 1663968137.

It is an arithmetic number, because the mean of its divisors is an integer number (7687098924120).

Almost surely, 2^{312515512530312} is an apocalyptic number.

It is an amenable number.

312515512530312 is an abundant number, since it is smaller than the sum of its proper divisors (671433149757048).

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

312515512530312 is a wasteful number, since it uses less digits than its factorization.

312515512530312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327748523 (or 3327748519 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 312515512530312 in words is "three hundred twelve trillion, five hundred fifteen billion, five hundred twelve million, five hundred thirty thousand, three hundred twelve".