12042442132 has 12 divisors (see below), whose sum is σ = 24084884320. Its totient is φ = 5161046616.

The previous prime is 12042442123. The next prime is 12042442163. The reversal of 12042442132 is 23124424021.

12042442132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12042442097 and 12042442106.

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, 215043582 + ... + 215043637.

Almost surely, 2^12042442132 is an apocalyptic number.

It is an amenable number.

12042442132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042442132 is a wasteful number, since it uses less digits than its factorization.

12042442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430087230 (or 430087228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12042442132 its reverse (23124424021), we get a palindrome (35166866153).

The spelling of 12042442132 in words is "twelve billion, forty-two million, four hundred forty-two thousand, one hundred thirty-two".