12013031132 has 12 divisors (see below), whose sum is σ = 21023937480. Its totient is φ = 6006191856.

The previous prime is 12013031101. The next prime is 12013031153. The reversal of 12013031132 is 23113031021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013031132.

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, 15278 + ... + 155754.

It is an arithmetic number, because the mean of its divisors is an integer number (1751994790).

Almost surely, 2^12013031132 is an apocalyptic number.

It is an amenable number.

12013031132 is a deficient number, since it is larger than the sum of its proper divisors (9010906348).

12013031132 is a wasteful number, since it uses less digits than its factorization.

12013031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161860 (or 161858 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12013031132 its reverse (23113031021), we get a palindrome (35126062153).

The spelling of 12013031132 in words is "twelve billion, thirteen million, thirty-one thousand, one hundred thirty-two".