312536316220 has 24 divisors (see below), whose sum is σ = 656474039424. Its totient is φ = 124986378816.

The previous prime is 312536316193. The next prime is 312536316233. The reversal of 312536316220 is 22613635213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668067 + ... + 1845946.

It is an arithmetic number, because the mean of its divisors is an integer number (27353084976).

Almost surely, 2^312536316220 is an apocalyptic number.

It is an amenable number.

312536316220 is an abundant number, since it is smaller than the sum of its proper divisors (343937723204).

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

312536316220 is a wasteful number, since it uses less digits than its factorization.

312536316220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518469 (or 3518467 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 312536316220 in words is "three hundred twelve billion, five hundred thirty-six million, three hundred sixteen thousand, two hundred twenty".