131212004023241 has 2 divisors, whose sum is σ = 131212004023242. Its totient is φ = 131212004023240.

The previous prime is 131212004023193. The next prime is 131212004023301. The reversal of 131212004023241 is 142320400212131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131185617269641 + 26386753600 = 11453629^2 + 162440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131212004023241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131212004023241.

It is not a weakly prime, because it can be changed into another prime (131212004023141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606002011620 + 65606002011621.

It is an arithmetic number, because the mean of its divisors is an integer number (65606002011621).

Almost surely, 2^{131212004023241} is an apocalyptic number.

It is an amenable number.

131212004023241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212004023241 is an equidigital number, since it uses as much as digits as its factorization.

131212004023241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131212004023241 its reverse (142320400212131), we get a palindrome (273532404235372).

The spelling of 131212004023241 in words is "one hundred thirty-one trillion, two hundred twelve billion, four million, twenty-three thousand, two hundred forty-one".