12898794872 has 16 divisors (see below), whose sum is σ = 24188845560. Its totient is φ = 6448436064.

The previous prime is 12898794869. The next prime is 12898794901. The reversal of 12898794872 is 27849789821.

It is a junction number, because it is equal to n+sod(n) for n = 12898794799 and 12898794808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61463 + ... + 171974.

Almost surely, 2^12898794872 is an apocalyptic number.

It is an amenable number.

12898794872 is a deficient number, since it is larger than the sum of its proper divisors (11290050688).

12898794872 is a wasteful number, since it uses less digits than its factorization.

12898794872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240350 (or 240346 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 65.

The spelling of 12898794872 in words is "twelve billion, eight hundred ninety-eight million, seven hundred ninety-four thousand, eight hundred seventy-two".