13120420322044 has 12 divisors (see below), whose sum is σ = 26240840644144. Its totient is φ = 5623037280864.

The previous prime is 13120420321999. The next prime is 13120420322077. The reversal of 13120420322044 is 44022302402131.

13120420322044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 468586440073 = 13120420322044 / (1 + 3 + 1 + 2 + 0 + 4 + 2 + 0 + 3 + 2 + 2 + 0 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234293220009 + ... + 234293220064.

Almost surely, 2^{13120420322044} is an apocalyptic number.

13120420322044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13120420322044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13120420322044 is a wasteful number, since it uses less digits than its factorization.

13120420322044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468586440084 (or 468586440082 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13120420322044 its reverse (44022302402131), we get a palindrome (57142722724175).

The spelling of 13120420322044 in words is "thirteen trillion, one hundred twenty billion, four hundred twenty million, three hundred twenty-two thousand, forty-four".