131212330199 has 2 divisors, whose sum is σ = 131212330200. Its totient is φ = 131212330198.

The previous prime is 131212330153. The next prime is 131212330211. The reversal of 131212330199 is 991033212131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131212330199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212330099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606165099 + 65606165100.

It is an arithmetic number, because the mean of its divisors is an integer number (65606165100).

Almost surely, 2^131212330199 is an apocalyptic number.

131212330199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212330199 is an equidigital number, since it uses as much as digits as its factorization.

131212330199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 131212330199 in words is "one hundred thirty-one billion, two hundred twelve million, three hundred thirty thousand, one hundred ninety-nine".