12132112124 has 36 divisors (see below), whose sum is σ = 23547540744. Its totient is φ = 5424120000.

The previous prime is 12132112117. The next prime is 12132112159. The reversal of 12132112124 is 42121123121.

It is a junction number, because it is equal to n+sod(n) for n = 12132112096 and 12132112105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126674 + ... + 200774.

It is an arithmetic number, because the mean of its divisors is an integer number (654098354).

Almost surely, 2^12132112124 is an apocalyptic number.

It is an amenable number.

12132112124 is a deficient number, since it is larger than the sum of its proper divisors (11415428620).

12132112124 is a wasteful number, since it uses less digits than its factorization.

12132112124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74238 (or 74175 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

Adding to 12132112124 its reverse (42121123121), we get a palindrome (54253235245).

The spelling of 12132112124 in words is "twelve billion, one hundred thirty-two million, one hundred twelve thousand, one hundred twenty-four".