12020032132 has 24 divisors (see below), whose sum is σ = 21803758592. Its totient is φ = 5791996800.

The previous prime is 12020032109. The next prime is 12020032207. The reversal of 12020032132 is 23123002021.

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, 171228 + ... + 230995.

Almost surely, 2^12020032132 is an apocalyptic number.

It is an amenable number.

12020032132 is a deficient number, since it is larger than the sum of its proper divisors (9783726460).

12020032132 is a wasteful number, since it uses less digits than its factorization.

12020032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402499 (or 402497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12020032132 its reverse (23123002021), we get a palindrome (35143034153).

The spelling of 12020032132 in words is "twelve billion, twenty million, thirty-two thousand, one hundred thirty-two".