13504212120 has 64 divisors (see below), whose sum is σ = 46300158720. Its totient is φ = 3086676864.

The previous prime is 13504212119. The next prime is 13504212149. The reversal of 13504212120 is 2121240531.

13504212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8037382 + ... + 8039061.

It is an arithmetic number, because the mean of its divisors is an integer number (723439980).

Almost surely, 2^13504212120 is an apocalyptic number.

13504212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504212120 is an abundant number, since it is smaller than the sum of its proper divisors (32795946600).

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

13504212120 is a wasteful number, since it uses less digits than its factorization.

13504212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076464 (or 16076460 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 13504212120 its reverse (2121240531), we get a palindrome (15625452651).

The spelling of 13504212120 in words is "thirteen billion, five hundred four million, two hundred twelve thousand, one hundred twenty".