12863127172 has 24 divisors (see below), whose sum is σ = 25731130880. Its totient is φ = 5511723840.

The previous prime is 12863127119. The next prime is 12863127187. The reversal of 12863127172 is 27172136821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117229 + ... + 198667.

Almost surely, 2^12863127172 is an apocalyptic number.

It is an amenable number.

12863127172 is an abundant number, since it is smaller than the sum of its proper divisors (12868003708).

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

12863127172 is a wasteful number, since it uses less digits than its factorization.

12863127172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87091 (or 87089 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The spelling of 12863127172 in words is "twelve billion, eight hundred sixty-three million, one hundred twenty-seven thousand, one hundred seventy-two".