12132811913 has 2 divisors, whose sum is σ = 12132811914. Its totient is φ = 12132811912.

The previous prime is 12132811897. The next prime is 12132811937. The reversal of 12132811913 is 31911823121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12001640704 + 131171209 = 109552^2 + 11453^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132811913 - 2⁴ = 12132811897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12132811913.

It is not a weakly prime, because it can be changed into another prime (12132811013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066405956 + 6066405957.

It is an arithmetic number, because the mean of its divisors is an integer number (6066405957).

Almost surely, 2^12132811913 is an apocalyptic number.

It is an amenable number.

12132811913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132811913 is an equidigital number, since it uses as much as digits as its factorization.

12132811913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 32.

The spelling of 12132811913 in words is "twelve billion, one hundred thirty-two million, eight hundred eleven thousand, nine hundred thirteen".