12132112312 has 32 divisors (see below), whose sum is σ = 23758394400. Its totient is φ = 5797021824.

The previous prime is 12132112309. The next prime is 12132112403. The reversal of 12132112312 is 21321123121.

12132112312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12132112312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176014 + ... + 235042.

It is an arithmetic number, because the mean of its divisors is an integer number (742449825).

Almost surely, 2^12132112312 is an apocalyptic number.

It is an amenable number.

12132112312 is a deficient number, since it is larger than the sum of its proper divisors (11626282088).

12132112312 is a wasteful number, since it uses less digits than its factorization.

12132112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60175 (or 60171 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 12132112312 its reverse (21321123121), we get a palindrome (33453235433).

The spelling of 12132112312 in words is "twelve billion, one hundred thirty-two million, one hundred twelve thousand, three hundred twelve".