12046931577 has 16 divisors (see below), whose sum is σ = 17923913280. Its totient is φ = 7996814496.

The previous prime is 12046931569. The next prime is 12046931581. The reversal of 12046931577 is 77513964021.

12046931577 is a `hidden beast` number, since 1 + 2 + 0 + 46 + 9 + 31 + 577 = 666.

It is not a de Polignac number, because 12046931577 - 2³ = 12046931569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12046931537) 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, 951183 + ... + 963764.

It is an arithmetic number, because the mean of its divisors is an integer number (1120244580).

Almost surely, 2^12046931577 is an apocalyptic number.

It is an amenable number.

12046931577 is a deficient number, since it is larger than the sum of its proper divisors (5876981703).

12046931577 is a wasteful number, since it uses less digits than its factorization.

12046931577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915189 (or 1915183 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 12046931577 in words is "twelve billion, forty-six million, nine hundred thirty-one thousand, five hundred seventy-seven".