12813199213 has 2 divisors, whose sum is σ = 12813199214. Its totient is φ = 12813199212.

The previous prime is 12813199207. The next prime is 12813199229. The reversal of 12813199213 is 31299131821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11081141289 + 1732057924 = 105267^2 + 41618^2 .

It is a cyclic number.

It is not a de Polignac number, because 12813199213 - 2²¹ = 12811102061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12813190213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406599606 + 6406599607.

It is an arithmetic number, because the mean of its divisors is an integer number (6406599607).

Almost surely, 2^12813199213 is an apocalyptic number.

It is an amenable number.

12813199213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12813199213 is an equidigital number, since it uses as much as digits as its factorization.

12813199213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The spelling of 12813199213 in words is "twelve billion, eight hundred thirteen million, one hundred ninety-nine thousand, two hundred thirteen".