13121097943164 has 24 divisors (see below), whose sum is σ = 31947021079680. Its totient is φ = 4183538474544.

The previous prime is 13121097943103. The next prime is 13121097943229. The reversal of 13121097943164 is 46134979012131.

It is a super-2 number, since 2×13121097943164² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23770104694 + ... + 23770105245.

It is an arithmetic number, because the mean of its divisors is an integer number (1331125878320).

Almost surely, 2^{13121097943164} is an apocalyptic number.

It is an amenable number.

13121097943164 is an abundant number, since it is smaller than the sum of its proper divisors (18825923136516).

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

13121097943164 is a wasteful number, since it uses less digits than its factorization.

13121097943164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47540209969 (or 47540209967 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 13121097943164 in words is "thirteen trillion, one hundred twenty-one billion, ninety-seven million, nine hundred forty-three thousand, one hundred sixty-four".