12875717136 has 20 divisors (see below), whose sum is σ = 33262269392. Its totient is φ = 4291905696.

The previous prime is 12875717117. The next prime is 12875717143. The reversal of 12875717136 is 63171757821.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 268244107 = 12875717136 / (1 + 2 + 8 + 7 + 5 + 7 + 1 + 7 + 1 + 3 + 6).

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, 134122006 + ... + 134122101.

Almost surely, 2^12875717136 is an apocalyptic number.

12875717136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12875717136 is an abundant number, since it is smaller than the sum of its proper divisors (20386552256).

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

12875717136 is a wasteful number, since it uses less digits than its factorization.

12875717136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268244118 (or 268244112 counting only the distinct ones).

The product of its digits is 493920, while the sum is 48.

The spelling of 12875717136 in words is "twelve billion, eight hundred seventy-five million, seven hundred seventeen thousand, one hundred thirty-six".