13121013020022 has 64 divisors (see below), whose sum is σ = 29933523717120. Its totient is φ = 4312069904520.

The previous prime is 13121013019999. The next prime is 13121013020047. The reversal of 13121013020022 is 22002031012131.

13121013020022 is a `hidden beast` number, since 1 + 312 + 1 + 0 + 130 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13121013019977 and 13121013020004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20814618 + ... + 21435725.

It is an arithmetic number, because the mean of its divisors is an integer number (467711308080).

Almost surely, 2^{13121013020022} is an apocalyptic number.

13121013020022 is an abundant number, since it is smaller than the sum of its proper divisors (16812510697098).

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

13121013020022 is an frugal number, since it uses more digits than its factorization.

13121013020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42250437 (or 42250419 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13121013020022 its reverse (22002031012131), we get a palindrome (35123044032153).

The spelling of 13121013020022 in words is "thirteen trillion, one hundred twenty-one billion, thirteen million, twenty thousand, twenty-two".