12669855268 has 48 divisors (see below), whose sum is σ = 26843249664. Its totient is φ = 5108060160.

The previous prime is 12669855257. The next prime is 12669855281. The reversal of 12669855268 is 86255896621.

It is a happy number.

12669855268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228180 + ... + 1238452.

It is an arithmetic number, because the mean of its divisors is an integer number (559234368).

Almost surely, 2^12669855268 is an apocalyptic number.

It is an amenable number.

12669855268 is an abundant number, since it is smaller than the sum of its proper divisors (14173394396).

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

12669855268 is a wasteful number, since it uses less digits than its factorization.

12669855268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12892 (or 12890 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The spelling of 12669855268 in words is "twelve billion, six hundred sixty-nine million, eight hundred fifty-five thousand, two hundred sixty-eight".