13201438120 has 32 divisors (see below), whose sum is σ = 31988101320. Its totient is φ = 4874376960.

The previous prime is 13201438091. The next prime is 13201438153. The reversal of 13201438120 is 2183410231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11981053764 + 1220384356 = 109458^2 + 34934^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12693171 + ... + 12694210.

Almost surely, 2^13201438120 is an apocalyptic number.

13201438120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201438120 is an abundant number, since it is smaller than the sum of its proper divisors (18786663200).

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

13201438120 is a wasteful number, since it uses less digits than its factorization.

13201438120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25387405 (or 25387401 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 13201438120 its reverse (2183410231), we get a palindrome (15384848351).

The spelling of 13201438120 in words is "thirteen billion, two hundred one million, four hundred thirty-eight thousand, one hundred twenty".