131202212034209 has 2 divisors, whose sum is σ = 131202212034210. Its totient is φ = 131202212034208.

The previous prime is 131202212034151. The next prime is 131202212034317. The reversal of 131202212034209 is 902430212202131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130093186105600 + 1109025928609 = 11405840^2 + 1053103^2 .

It is a cyclic number.

It is not a de Polignac number, because 131202212034209 - 2²⁸ = 131201943598753 is a prime.

It is not a weakly prime, because it can be changed into another prime (131202242034209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601106017104 + 65601106017105.

It is an arithmetic number, because the mean of its divisors is an integer number (65601106017105).

Almost surely, 2^{131202212034209} is an apocalyptic number.

It is an amenable number.

131202212034209 is a deficient number, since it is larger than the sum of its proper divisors (1).

131202212034209 is an equidigital number, since it uses as much as digits as its factorization.

131202212034209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 131202212034209 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twelve million, thirty-four thousand, two hundred nine".