12738321113860 has 24 divisors (see below), whose sum is σ = 26768659631616. Its totient is φ = 5091864580320.

The previous prime is 12738321113839. The next prime is 12738321113893. The reversal of 12738321113860 is 6831112383721.

It is a super-2 number, since 2×12738321113860² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12738321113860.

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 7 ways as a sum of consecutive naturals, for example, 216461422 + ... + 216520261.

It is an arithmetic number, because the mean of its divisors is an integer number (1115360817984).

Almost surely, 2^{12738321113860} is an apocalyptic number.

12738321113860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12738321113860 is an abundant number, since it is smaller than the sum of its proper divisors (14030338517756).

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

12738321113860 is a wasteful number, since it uses less digits than its factorization.

12738321113860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432983163 (or 432983161 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 12738321113860 in words is "twelve trillion, seven hundred thirty-eight billion, three hundred twenty-one million, one hundred thirteen thousand, eight hundred sixty".