13103112120 has 128 divisors (see below), whose sum is σ = 47289484800. Its totient is φ = 2837362176.

The previous prime is 13103112103. The next prime is 13103112193. The reversal of 13103112120 is 2121130131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13103112120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394539 + ... + 426458.

It is an arithmetic number, because the mean of its divisors is an integer number (369449100).

Almost surely, 2^13103112120 is an apocalyptic number.

13103112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103112120 is an abundant number, since it is smaller than the sum of its proper divisors (34186372680).

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

13103112120 is a wasteful number, since it uses less digits than its factorization.

13103112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821037 (or 821033 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13103112120 its reverse (2121130131), we get a palindrome (15224242251).

The spelling of 13103112120 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, one hundred twenty".