12746249831024 has 80 divisors (see below), whose sum is σ = 24986508136128. Its totient is φ = 6298614153216.

The previous prime is 12746249830933. The next prime is 12746249831041. The reversal of 12746249831024 is 42013894264721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663615629 + ... + 663634835.

Almost surely, 2^{12746249831024} is an apocalyptic number.

It is an amenable number.

12746249831024 is a deficient number, since it is larger than the sum of its proper divisors (12240258305104).

12746249831024 is a wasteful number, since it uses less digits than its factorization.

12746249831024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20802 (or 20796 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 12746249831024 in words is "twelve trillion, seven hundred forty-six billion, two hundred forty-nine million, eight hundred thirty-one thousand, twenty-four".