12878685144 has 48 divisors (see below), whose sum is σ = 37562834400. Its totient is φ = 3962672064.

The previous prime is 12878685109. The next prime is 12878685163. The reversal of 12878685144 is 44158687821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6878704 + ... + 6880575.

It is an arithmetic number, because the mean of its divisors is an integer number (782559050).

Almost surely, 2^12878685144 is an apocalyptic number.

It is an amenable number.

12878685144 is an abundant number, since it is smaller than the sum of its proper divisors (24684149256).

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

12878685144 is a wasteful number, since it uses less digits than its factorization.

12878685144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13759304 (or 13759297 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 12878685144 in words is "twelve billion, eight hundred seventy-eight million, six hundred eighty-five thousand, one hundred forty-four".