13612042120 has 32 divisors (see below), whose sum is σ = 32428690200. Its totient is φ = 5124533248.

The previous prime is 13612042049. The next prime is 13612042139. The reversal of 13612042120 is 2124021631.

13612042120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7989141924 + 5622900196 = 89382^2 + 74986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13612042091 and 13612042100.

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, 10008175 + ... + 10009534.

Almost surely, 2^13612042120 is an apocalyptic number.

13612042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13612042120 is an abundant number, since it is smaller than the sum of its proper divisors (18816648080).

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

13612042120 is a wasteful number, since it uses less digits than its factorization.

13612042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20017737 (or 20017733 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13612042120 its reverse (2124021631), we get a palindrome (15736063751).

The spelling of 13612042120 in words is "thirteen billion, six hundred twelve million, forty-two thousand, one hundred twenty".