312720016752 has 120 divisors (see below), whose sum is σ = 1028185577328. Its totient is φ = 87474124800.

The previous prime is 312720016729. The next prime is 312720016759. The reversal of 312720016752 is 257610027213.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312720016759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7572649 + ... + 7613832.

Almost surely, 2^312720016752 is an apocalyptic number.

It is an amenable number.

312720016752 is an abundant number, since it is smaller than the sum of its proper divisors (715465560576).

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

312720016752 is a wasteful number, since it uses less digits than its factorization.

312720016752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186519 (or 15186510 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 312720016752 in words is "three hundred twelve billion, seven hundred twenty million, sixteen thousand, seven hundred fifty-two".