13123404120 has 96 divisors (see below), whose sum is σ = 41551524720. Its totient is φ = 3315375360.

The previous prime is 13123404083. The next prime is 13123404137. The reversal of 13123404120 is 2140432131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108151 + ... + 194790.

Almost surely, 2^13123404120 is an apocalyptic number.

13123404120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123404120 is an abundant number, since it is smaller than the sum of its proper divisors (28428120600).

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

13123404120 is a wasteful number, since it uses less digits than its factorization.

13123404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302993 (or 302970 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13123404120 its reverse (2140432131), we get a palindrome (15263836251).

The spelling of 13123404120 in words is "thirteen billion, one hundred twenty-three million, four hundred four thousand, one hundred twenty".