12749896844188 has 48 divisors (see below), whose sum is σ = 26024707072000. Its totient is φ = 5463294525360.

The previous prime is 12749896844177. The next prime is 12749896844189. The reversal of 12749896844188 is 88144869894721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749896844189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7142893 + ... + 8747611.

Almost surely, 2^{12749896844188} is an apocalyptic number.

It is an amenable number.

12749896844188 is an abundant number, since it is smaller than the sum of its proper divisors (13274810227812).

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

12749896844188 is a wasteful number, since it uses less digits than its factorization.

12749896844188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610535 (or 1610519 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 79.

The spelling of 12749896844188 in words is "twelve trillion, seven hundred forty-nine billion, eight hundred ninety-six million, eight hundred forty-four thousand, one hundred eighty-eight".