131212001320369 has 2 divisors, whose sum is σ = 131212001320370. Its totient is φ = 131212001320368.

The previous prime is 131212001320357. The next prime is 131212001320447. The reversal of 131212001320369 is 963023100212131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93130451769744 + 38081549550625 = 9650412^2 + 6171025^2 .

It is a cyclic number.

It is not a de Polignac number, because 131212001320369 - 2⁷ = 131212001320241 is a prime.

It is a super-2 number, since 2×131212001320369² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131212001320319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606000660184 + 65606000660185.

It is an arithmetic number, because the mean of its divisors is an integer number (65606000660185).

Almost surely, 2^{131212001320369} is an apocalyptic number.

It is an amenable number.

131212001320369 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212001320369 is an equidigital number, since it uses as much as digits as its factorization.

131212001320369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 131212001320369 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, three hundred twenty thousand, three hundred sixty-nine".