12112105132 has 6 divisors (see below), whose sum is σ = 21196183988. Its totient is φ = 6056052564.

The previous prime is 12112105129. The next prime is 12112105147. The reversal of 12112105132 is 23150121121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514013138 + ... + 1514013145.

Almost surely, 2^12112105132 is an apocalyptic number.

It is an amenable number.

12112105132 is a deficient number, since it is larger than the sum of its proper divisors (9084078856).

12112105132 is a wasteful number, since it uses less digits than its factorization.

12112105132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028026287 (or 3028026285 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12112105132 its reverse (23150121121), we get a palindrome (35262226253).

The spelling of 12112105132 in words is "twelve billion, one hundred twelve million, one hundred five thousand, one hundred thirty-two".