12550620966 has 32 divisors (see below), whose sum is σ = 27188390880. Its totient is φ = 3839403264.

The previous prime is 12550620947. The next prime is 12550620997. The reversal of 12550620966 is 66902605521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451551 + ... + 478538.

It is an arithmetic number, because the mean of its divisors is an integer number (849637215).

Almost surely, 2^12550620966 is an apocalyptic number.

12550620966 is an abundant number, since it is smaller than the sum of its proper divisors (14637769914).

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

12550620966 is a wasteful number, since it uses less digits than its factorization.

12550620966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930280.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 12550620966 in words is "twelve billion, five hundred fifty million, six hundred twenty thousand, nine hundred sixty-six".