12240043432139 has 2 divisors, whose sum is σ = 12240043432140. Its totient is φ = 12240043432138.

The previous prime is 12240043432079. The next prime is 12240043432159. The reversal of 12240043432139 is 93123434004221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12240043432139 - 2²⁰ = 12240042383563 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12240043432159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120021716069 + 6120021716070.

It is an arithmetic number, because the mean of its divisors is an integer number (6120021716070).

Almost surely, 2^{12240043432139} is an apocalyptic number.

12240043432139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240043432139 is an equidigital number, since it uses as much as digits as its factorization.

12240043432139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 12240043432139 in words is "twelve trillion, two hundred forty billion, forty-three million, four hundred thirty-two thousand, one hundred thirty-nine".