424120012139 has 2 divisors, whose sum is σ = 424120012140. Its totient is φ = 424120012138.

The previous prime is 424120012037. The next prime is 424120012201. The reversal of 424120012139 is 931210021424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424120012139 is a prime.

It is not a weakly prime, because it can be changed into another prime (424120012339) 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, 212060006069 + 212060006070.

It is an arithmetic number, because the mean of its divisors is an integer number (212060006070).

Almost surely, 2^424120012139 is an apocalyptic number.

424120012139 is a deficient number, since it is larger than the sum of its proper divisors (1).

424120012139 is an equidigital number, since it uses as much as digits as its factorization.

424120012139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 424120012139 in words is "four hundred twenty-four billion, one hundred twenty million, twelve thousand, one hundred thirty-nine".