312172762492 has 96 divisors (see below), whose sum is σ = 607070298240. Its totient is φ = 139709644800.

The previous prime is 312172762483. The next prime is 312172762507. The reversal of 312172762492 is 294267271213.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 256509468 + ... + 256510684.

It is an arithmetic number, because the mean of its divisors is an integer number (6323648940).

Almost surely, 2^312172762492 is an apocalyptic number.

It is an amenable number.

312172762492 is a deficient number, since it is larger than the sum of its proper divisors (294897535748).

312172762492 is a wasteful number, since it uses less digits than its factorization.

312172762492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2069 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The spelling of 312172762492 in words is "three hundred twelve billion, one hundred seventy-two million, seven hundred sixty-two thousand, four hundred ninety-two".