12319907775688 has 16 divisors (see below), whose sum is σ = 23724146730780. Its totient is φ = 5993468647488.

The previous prime is 12319907775601. The next prime is 12319907775697. The reversal of 12319907775688 is 88657770991321.

It can be written as a sum of positive squares in 2 ways, for example, as 12039387127524 + 280520648164 = 3469782^2 + 529642^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12319907775688.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20810654731 + ... + 20810655322.

Almost surely, 2^{12319907775688} is an apocalyptic number.

It is an amenable number.

12319907775688 is a deficient number, since it is larger than the sum of its proper divisors (11404238955092).

12319907775688 is a wasteful number, since it uses less digits than its factorization.

12319907775688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41621310096 (or 41621310092 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 73.

The spelling of 12319907775688 in words is "twelve trillion, three hundred nineteen billion, nine hundred seven million, seven hundred seventy-five thousand, six hundred eighty-eight".