312692197920 has 96 divisors (see below), whose sum is σ = 985086422208. Its totient is φ = 83375612928.

The previous prime is 312692197891. The next prime is 312692197927. The reversal of 312692197920 is 29791296213.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (312692197927) 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, 5263422 + ... + 5322498.

It is an arithmetic number, because the mean of its divisors is an integer number (10261316898).

Almost surely, 2^312692197920 is an apocalyptic number.

312692197920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312692197920 is an abundant number, since it is smaller than the sum of its proper divisors (672394224288).

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

312692197920 is a wasteful number, since it uses less digits than its factorization.

312692197920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70122 (or 70114 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 312692197920 in words is "three hundred twelve billion, six hundred ninety-two million, one hundred ninety-seven thousand, nine hundred twenty".