12131112010939 has 2 divisors, whose sum is σ = 12131112010940. Its totient is φ = 12131112010938.

The previous prime is 12131112010891. The next prime is 12131112011041. The reversal of 12131112010939 is 93901021113121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12131112010939 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131112110939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065556005469 + 6065556005470.

It is an arithmetic number, because the mean of its divisors is an integer number (6065556005470).

Almost surely, 2^{12131112010939} is an apocalyptic number.

12131112010939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131112010939 is an equidigital number, since it uses as much as digits as its factorization.

12131112010939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 12131112010939 in words is "twelve trillion, one hundred thirty-one billion, one hundred twelve million, ten thousand, nine hundred thirty-nine".