13021120120 has 32 divisors (see below), whose sum is σ = 29340856800. Its totient is φ = 5200743808.

The previous prime is 13021120067. The next prime is 13021120219. The reversal of 13021120120 is 2102112031.

It is a self number, because there is not a number n which added to its sum of digits gives 13021120120.

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, 213340 + ... + 267499.

It is an arithmetic number, because the mean of its divisors is an integer number (916901775).

Almost surely, 2^13021120120 is an apocalyptic number.

13021120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021120120 is an abundant number, since it is smaller than the sum of its proper divisors (16319736680).

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

13021120120 is a wasteful number, since it uses less digits than its factorization.

13021120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481527 (or 481523 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13021120120 its reverse (2102112031), we get a palindrome (15123232151).

The spelling of 13021120120 in words is "thirteen billion, twenty-one million, one hundred twenty thousand, one hundred twenty".