12132112412 has 12 divisors (see below), whose sum is σ = 24264224880. Its totient is φ = 5199476736.

The previous prime is 12132112403. The next prime is 12132112423. The reversal of 12132112412 is 21421123121.

12132112412 is an admirable number.

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, 216644837 + ... + 216644892.

It is an arithmetic number, because the mean of its divisors is an integer number (2022018740).

Almost surely, 2^12132112412 is an apocalyptic number.

It is an amenable number.

12132112412 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.

12132112412 is a wasteful number, since it uses less digits than its factorization.

12132112412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433289740 (or 433289738 counting only the distinct ones).

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

Adding to 12132112412 its reverse (21421123121), we get a palindrome (33553235533).

The spelling of 12132112412 in words is "twelve billion, one hundred thirty-two million, one hundred twelve thousand, four hundred twelve".