12319185005964 has 96 divisors (see below), whose sum is σ = 32013934346240. Its totient is φ = 4096716269184.

The previous prime is 12319185005923. The next prime is 12319185005969. The reversal of 12319185005964 is 46950058191321.

12319185005964 is a `hidden beast` number, since 1 + 2 + 3 + 19 + 18 + 500 + 59 + 64 = 666.

It is a super-2 number, since 2×12319185005964² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12319185005964.

It is not an unprimeable number, because it can be changed into a prime (12319185005969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286851477 + ... + 286894419.

Almost surely, 2^{12319185005964} is an apocalyptic number.

It is an amenable number.

12319185005964 is an abundant number, since it is smaller than the sum of its proper divisors (19694749340276).

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

12319185005964 is a wasteful number, since it uses less digits than its factorization.

12319185005964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49156 (or 49148 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 12319185005964 in words is "twelve trillion, three hundred nineteen billion, one hundred eighty-five million, five thousand, nine hundred sixty-four".