12851286966 has 48 divisors (see below), whose sum is σ = 31828552704. Its totient is φ = 3671067312.

The previous prime is 12851286949. The next prime is 12851287021. The reversal of 12851286966 is 66968215821.

12851286966 is a `hidden beast` number, since 1 + 2 + 8 + 512 + 8 + 69 + 66 = 666.

12851286966 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1179355 + ... + 1190201.

It is an arithmetic number, because the mean of its divisors is an integer number (663094848).

Almost surely, 2^12851286966 is an apocalyptic number.

12851286966 is an abundant number, since it is smaller than the sum of its proper divisors (18977265738).

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

12851286966 is a wasteful number, since it uses less digits than its factorization.

12851286966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265 (or 20262 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 12851286966 in words is "twelve billion, eight hundred fifty-one million, two hundred eighty-six thousand, nine hundred sixty-six".