12132112312312 has 16 divisors (see below), whose sum is σ = 23035656290400. Its totient is φ = 5989270634880.

The previous prime is 12132112312303. The next prime is 12132112312363. The reversal of 12132112312312 is 21321321123121.

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, 9598189489 + ... + 9598190752.

It is an arithmetic number, because the mean of its divisors is an integer number (1439728518150).

Almost surely, 2^{12132112312312} is an apocalyptic number.

It is an amenable number.

12132112312312 is a deficient number, since it is larger than the sum of its proper divisors (10903543978088).

12132112312312 is a wasteful number, since it uses less digits than its factorization.

12132112312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19196380326 (or 19196380322 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

Adding to 12132112312312 its reverse (21321321123121), we get a palindrome (33453433435433).

The spelling of 12132112312312 in words is "twelve trillion, one hundred thirty-two billion, one hundred twelve million, three hundred twelve thousand, three hundred twelve".