120120012137 has 2 divisors, whose sum is σ = 120120012138. Its totient is φ = 120120012136.

The previous prime is 120120012097. The next prime is 120120012161. The reversal of 120120012137 is 731210021021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65200558336 + 54919453801 = 255344^2 + 234349^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120012137 - 2³⁴ = 102940142953 is a prime.

It is not a weakly prime, because it can be changed into another prime (120120062137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060006068 + 60060006069.

It is an arithmetic number, because the mean of its divisors is an integer number (60060006069).

Almost surely, 2^120120012137 is an apocalyptic number.

It is an amenable number.

120120012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120012137 is an equidigital number, since it uses as much as digits as its factorization.

120120012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 120120012137 its reverse (731210021021), we get a palindrome (851330033158).

The spelling of 120120012137 in words is "one hundred twenty billion, one hundred twenty million, twelve thousand, one hundred thirty-seven".