312920654772 has 48 divisors (see below), whose sum is σ = 815952763584. Its totient is φ = 92511648000.

The previous prime is 312920654771. The next prime is 312920654789. The reversal of 312920654772 is 277456029213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312920654771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28904479 + ... + 28915302.

It is an arithmetic number, because the mean of its divisors is an integer number (16999015908).

Almost surely, 2^312920654772 is an apocalyptic number.

It is an amenable number.

312920654772 is an abundant number, since it is smaller than the sum of its proper divisors (503032108812).

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

312920654772 is a wasteful number, since it uses less digits than its factorization.

312920654772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57819840 (or 57819838 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 312920654772 in words is "three hundred twelve billion, nine hundred twenty million, six hundred fifty-four thousand, seven hundred seventy-two".