12981810344 has 16 divisors (see below), whose sum is σ = 25621994400. Its totient is φ = 6149278512.

The previous prime is 12981810337. The next prime is 12981810349. The reversal of 12981810344 is 44301818921.

It is not an unprimeable number, because it can be changed into a prime (12981810349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42703172 + ... + 42703475.

It is an arithmetic number, because the mean of its divisors is an integer number (1601374650).

Almost surely, 2^12981810344 is an apocalyptic number.

It is an amenable number.

12981810344 is a deficient number, since it is larger than the sum of its proper divisors (12640184056).

12981810344 is a wasteful number, since it uses less digits than its factorization.

12981810344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85406672 (or 85406668 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 12981810344 in words is "twelve billion, nine hundred eighty-one million, eight hundred ten thousand, three hundred forty-four".