12013222132 has 6 divisors (see below), whose sum is σ = 21023138738. Its totient is φ = 6006611064.

The previous prime is 12013222037. The next prime is 12013222163. The reversal of 12013222132 is 23122231021.

It can be written as a sum of positive squares in only one way, i.e., 7758791056 + 4254431076 = 88084^2 + 65226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501652763 + ... + 1501652770.

Almost surely, 2^12013222132 is an apocalyptic number.

It is an amenable number.

12013222132 is a deficient number, since it is larger than the sum of its proper divisors (9009916606).

12013222132 is a wasteful number, since it uses less digits than its factorization.

12013222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003305537 (or 3003305535 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12013222132 its reverse (23122231021), we get a palindrome (35135453153).

The spelling of 12013222132 in words is "twelve billion, thirteen million, two hundred twenty-two thousand, one hundred thirty-two".