12863798912 has 96 divisors (see below), whose sum is σ = 27225162720. Its totient is φ = 6053257728.

The previous prime is 12863798873. The next prime is 12863798921. The reversal of 12863798912 is 21989736821.

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, 7715903 + ... + 7717569.

It is an arithmetic number, because the mean of its divisors is an integer number (283595445).

Almost surely, 2^12863798912 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 12863798912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13612581360).

12863798912 is an abundant number, since it is smaller than the sum of its proper divisors (14361363808).

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

12863798912 is a wasteful number, since it uses less digits than its factorization.

12863798912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1855 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The spelling of 12863798912 in words is "twelve billion, eight hundred sixty-three million, seven hundred ninety-eight thousand, nine hundred twelve".