13120222032 has 30 divisors (see below), whose sum is σ = 36718399562. Its totient is φ = 4373407296.

The previous prime is 13120222013. The next prime is 13120222061. The reversal of 13120222032 is 23022202131.

It can be written as a sum of positive squares in only one way, i.e., 8095680576 + 5024541456 = 89976^2 + 70884^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13120221996 and 13120222014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45556183 + ... + 45556470.

Almost surely, 2^13120222032 is an apocalyptic number.

13120222032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120222032 is an abundant number, since it is smaller than the sum of its proper divisors (23598177530).

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

13120222032 is a wasteful number, since it uses less digits than its factorization.

13120222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91112667 (or 91112658 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13120222032 its reverse (23022202131), we get a palindrome (36142424163).

The spelling of 13120222032 in words is "thirteen billion, one hundred twenty million, two hundred twenty-two thousand, thirty-two".