131212241143939 has 2 divisors, whose sum is σ = 131212241143940. Its totient is φ = 131212241143938.

The previous prime is 131212241143889. The next prime is 131212241144059. The reversal of 131212241143939 is 939341142212131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131212241143939 - 2⁷ = 131212241143811 is a prime.

It is not a weakly prime, because it can be changed into another prime (131212241143339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606120571969 + 65606120571970.

It is an arithmetic number, because the mean of its divisors is an integer number (65606120571970).

Almost surely, 2^{131212241143939} is an apocalyptic number.

131212241143939 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212241143939 is an equidigital number, since it uses as much as digits as its factorization.

131212241143939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The spelling of 131212241143939 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty-one million, one hundred forty-three thousand, nine hundred thirty-nine".