131212001440279 has 2 divisors, whose sum is σ = 131212001440280. Its totient is φ = 131212001440278.

The previous prime is 131212001440211. The next prime is 131212001440313. The reversal of 131212001440279 is 972044100212131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131212001440279 - 2³⁹ = 130662245626391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212001440379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606000720139 + 65606000720140.

It is an arithmetic number, because the mean of its divisors is an integer number (65606000720140).

Almost surely, 2^{131212001440279} is an apocalyptic number.

131212001440279 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212001440279 is an equidigital number, since it uses as much as digits as its factorization.

131212001440279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 131212001440279 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, four hundred forty thousand, two hundred seventy-nine".