13213220124 has 24 divisors (see below), whose sum is σ = 33202450960. Its totient is φ = 4065606144.

The previous prime is 13213220089. The next prime is 13213220177. The reversal of 13213220124 is 42102231231.

13213220124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13213220124.

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 7 ways as a sum of consecutive naturals, for example, 42349909 + ... + 42350220.

Almost surely, 2^13213220124 is an apocalyptic number.

It is an amenable number.

13213220124 is an abundant number, since it is smaller than the sum of its proper divisors (19989230836).

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

13213220124 is a wasteful number, since it uses less digits than its factorization.

13213220124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84700149 (or 84700147 counting only the distinct ones).

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

Adding to 13213220124 its reverse (42102231231), we get a palindrome (55315451355).

The spelling of 13213220124 in words is "thirteen billion, two hundred thirteen million, two hundred twenty thousand, one hundred twenty-four".