312132031122 has 16 divisors (see below), whose sum is σ = 657120065760. Its totient is φ = 98568009792.

The previous prime is 312132031111. The next prime is 312132031139. The reversal of 312132031122 is 221130231213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369000023 + ... + 1369000250.

It is an arithmetic number, because the mean of its divisors is an integer number (41070004110).

Almost surely, 2^312132031122 is an apocalyptic number.

312132031122 is an abundant number, since it is smaller than the sum of its proper divisors (344988034638).

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

312132031122 is a wasteful number, since it uses less digits than its factorization.

312132031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738000297.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312132031122 its reverse (221130231213), we get a palindrome (533262262335).

The spelling of 312132031122 in words is "three hundred twelve billion, one hundred thirty-two million, thirty-one thousand, one hundred twenty-two".