312012042239979 has 24 divisors (see below), whose sum is σ = 454129051476672. Its totient is φ = 206418065109360.

The previous prime is 312012042239951. The next prime is 312012042240029. The reversal of 312012042239979 is 979932240210213.

312012042239979 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 120 + 422 + 3 + 9 + 97 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-312012042239979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312012042234979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118201564 + ... + 120812390.

It is an arithmetic number, because the mean of its divisors is an integer number (18922043811528).

Almost surely, 2^{312012042239979} is an apocalyptic number.

312012042239979 is a deficient number, since it is larger than the sum of its proper divisors (142117009236693).

312012042239979 is a wasteful number, since it uses less digits than its factorization.

312012042239979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712327 (or 2712324 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 312012042239979 in words is "three hundred twelve trillion, twelve billion, forty-two million, two hundred thirty-nine thousand, nine hundred seventy-nine".