12013423132 has 24 divisors (see below), whose sum is σ = 22155346640. Its totient is φ = 5684048640.

The previous prime is 12013423129. The next prime is 12013423171. The reversal of 12013423132 is 23132431021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23469 + ... + 156772.

Almost surely, 2^12013423132 is an apocalyptic number.

It is an amenable number.

12013423132 is a deficient number, since it is larger than the sum of its proper divisors (10141923508).

12013423132 is a wasteful number, since it uses less digits than its factorization.

12013423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181141 (or 181139 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12013423132 its reverse (23132431021), we get a palindrome (35145854153).

The spelling of 12013423132 in words is "twelve billion, thirteen million, four hundred twenty-three thousand, one hundred thirty-two".