12567126256 has 20 divisors (see below), whose sum is σ = 24363465192. Its totient is φ = 6279780416.

The previous prime is 12567126181. The next prime is 12567126259. The reversal of 12567126256 is 65262176521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12567126259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208915 + ... + 262258.

Almost surely, 2^12567126256 is an apocalyptic number.

12567126256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12567126256 is a deficient number, since it is larger than the sum of its proper divisors (11796338936).

12567126256 is a wasteful number, since it uses less digits than its factorization.

12567126256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472848 (or 472842 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The spelling of 12567126256 in words is "twelve billion, five hundred sixty-seven million, one hundred twenty-six thousand, two hundred fifty-six".