131212302443219 has 2 divisors, whose sum is σ = 131212302443220. Its totient is φ = 131212302443218.

The previous prime is 131212302443179. The next prime is 131212302443239. The reversal of 131212302443219 is 912344203212131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131212302443219 is a prime.

It is a super-2 number, since 2×131212302443219² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131212302443239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606151221609 + 65606151221610.

It is an arithmetic number, because the mean of its divisors is an integer number (65606151221610).

Almost surely, 2^{131212302443219} is an apocalyptic number.

131212302443219 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212302443219 is an equidigital number, since it uses as much as digits as its factorization.

131212302443219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 131212302443219 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred two million, four hundred forty-three thousand, two hundred nineteen".