12768943104 has 132 divisors (see below), whose sum is σ = 37316498856. Its totient is φ = 4204781568.

The previous prime is 12768943073. The next prime is 12768943211. The reversal of 12768943104 is 40134986721.

It is a self number, because there is not a number n which added to its sum of digits gives 12768943104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756582 + ... + 773274.

Almost surely, 2^12768943104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12768943104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18658249428).

12768943104 is an abundant number, since it is smaller than the sum of its proper divisors (24547555752).

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

12768943104 is a wasteful number, since it uses less digits than its factorization.

12768943104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16802 (or 16781 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 12768943104 in words is "twelve billion, seven hundred sixty-eight million, nine hundred forty-three thousand, one hundred four".