12650105256 has 32 divisors (see below), whose sum is σ = 31874288640. Its totient is φ = 4183498368.

The previous prime is 12650105239. The next prime is 12650105311. The reversal of 12650105256 is 65250105621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072101 + ... + 2078196.

It is an arithmetic number, because the mean of its divisors is an integer number (996071520).

Almost surely, 2^12650105256 is an apocalyptic number.

It is an amenable number.

12650105256 is an abundant number, since it is smaller than the sum of its proper divisors (19224183384).

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

12650105256 is a wasteful number, since it uses less digits than its factorization.

12650105256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150433 (or 4150429 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 12650105256 in words is "twelve billion, six hundred fifty million, one hundred five thousand, two hundred fifty-six".