42030012137 has 2 divisors, whose sum is σ = 42030012138. Its totient is φ = 42030012136.

The previous prime is 42030012091. The next prime is 42030012151. The reversal of 42030012137 is 73121003024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26187006976 + 15843005161 = 161824^2 + 125869^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030012137 - 2²⁶ = 41962903273 is a prime.

It is not a weakly prime, because it can be changed into another prime (42030002137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015006068 + 21015006069.

It is an arithmetic number, because the mean of its divisors is an integer number (21015006069).

Almost surely, 2^42030012137 is an apocalyptic number.

It is an amenable number.

42030012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030012137 is an equidigital number, since it uses as much as digits as its factorization.

42030012137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 42030012137 in words is "forty-two billion, thirty million, twelve thousand, one hundred thirty-seven".