12516433732 has 12 divisors (see below), whose sum is σ = 23895009936. Its totient is φ = 5689288040.

The previous prime is 12516433697. The next prime is 12516433751. The reversal of 12516433732 is 23733461521.

It is a super-2 number, since 2×12516433732² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12516433691 and 12516433700.

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, 142232158 + ... + 142232245.

It is an arithmetic number, because the mean of its divisors is an integer number (1991250828).

Almost surely, 2^12516433732 is an apocalyptic number.

It is an amenable number.

12516433732 is a deficient number, since it is larger than the sum of its proper divisors (11378576204).

12516433732 is a wasteful number, since it uses less digits than its factorization.

12516433732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284464418 (or 284464416 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The spelling of 12516433732 in words is "twelve billion, five hundred sixteen million, four hundred thirty-three thousand, seven hundred thirty-two".