12477783172 has 48 divisors (see below), whose sum is σ = 22672742400. Its totient is φ = 6004750752.

The previous prime is 12477783169. The next prime is 12477783181. The reversal of 12477783172 is 27138777421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660693 + ... + 3664099.

It is an arithmetic number, because the mean of its divisors is an integer number (472348800).

Almost surely, 2^12477783172 is an apocalyptic number.

It is an amenable number.

12477783172 is a deficient number, since it is larger than the sum of its proper divisors (10194959228).

12477783172 is a wasteful number, since it uses less digits than its factorization.

12477783172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760 (or 3758 counting only the distinct ones).

The product of its digits is 921984, while the sum is 49.

The spelling of 12477783172 in words is "twelve billion, four hundred seventy-seven million, seven hundred eighty-three thousand, one hundred seventy-two".