12013022132 has 12 divisors (see below), whose sum is σ = 21023579556. Its totient is φ = 6006285120.

The previous prime is 12013022123. The next prime is 12013022179. The reversal of 12013022132 is 23122031021.

It can be written as a sum of positive squares in 2 ways, for example, as 5715964816 + 6297057316 = 75604^2 + 79354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12013022132.

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, 136082 + ... + 206262.

It is an arithmetic number, because the mean of its divisors is an integer number (1751964963).

Almost surely, 2^12013022132 is an apocalyptic number.

It is an amenable number.

12013022132 is a deficient number, since it is larger than the sum of its proper divisors (9010557424).

12013022132 is a wasteful number, since it uses less digits than its factorization.

12013022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112978 (or 112976 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12013022132 its reverse (23122031021), we get a palindrome (35135053153).

The spelling of 12013022132 in words is "twelve billion, thirteen million, twenty-two thousand, one hundred thirty-two".