13231122132 has 12 divisors (see below), whose sum is σ = 30872618336. Its totient is φ = 4410374040.

The previous prime is 13231122127. The next prime is 13231122173. The reversal of 13231122132 is 23122113231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13231122099 and 13231122108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551296744 + ... + 551296767.

Almost surely, 2^13231122132 is an apocalyptic number.

13231122132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231122132 is an abundant number, since it is smaller than the sum of its proper divisors (17641496204).

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

13231122132 is a wasteful number, since it uses less digits than its factorization.

13231122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102593518 (or 1102593516 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 13231122132 its reverse (23122113231), we get a palindrome (36353235363).

The spelling of 13231122132 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-two".