12550428966 has 64 divisors (see below), whose sum is σ = 25583440896. Its totient is φ = 4104172800.

The previous prime is 12550428907. The next prime is 12550429013. The reversal of 12550428966 is 66982405521.

It is a super-2 number, since 2×12550428966² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46311411 + ... + 46311681.

It is an arithmetic number, because the mean of its divisors is an integer number (399741264).

Almost surely, 2^12550428966 is an apocalyptic number.

12550428966 is an abundant number, since it is smaller than the sum of its proper divisors (13033011930).

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

12550428966 is a wasteful number, since it uses less digits than its factorization.

12550428966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 12550428966 in words is "twelve billion, five hundred fifty million, four hundred twenty-eight thousand, nine hundred sixty-six".