12132112121213 has 96 divisors (see below), whose sum is σ = 15351658291200. Its totient is φ = 9379886054400.

The previous prime is 12132112121149. The next prime is 12132112121243. The reversal of 12132112121213 is 31212121123121.

It is not a de Polignac number, because 12132112121213 - 2⁶ = 12132112121149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132112121243) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4018584818 + ... + 4018587836.

It is an arithmetic number, because the mean of its divisors is an integer number (159913107200).

Almost surely, 2^{12132112121213} is an apocalyptic number.

It is an amenable number.

12132112121213 is a deficient number, since it is larger than the sum of its proper divisors (3219546169987).

12132112121213 is a wasteful number, since it uses less digits than its factorization.

12132112121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691 (or 3674 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

Adding to 12132112121213 its reverse (31212121123121), we get a palindrome (43344233244334).

The spelling of 12132112121213 in words is "twelve trillion, one hundred thirty-two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred thirteen".