130120012081 has 2 divisors, whose sum is σ = 130120012082. Its totient is φ = 130120012080.

The previous prime is 130120012049. The next prime is 130120012097. The reversal of 130120012081 is 180210021031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82679251600 + 47440760481 = 287540^2 + 217809^2 .

It is a cyclic number.

It is not a de Polignac number, because 130120012081 - 2⁵ = 130120012049 is a prime.

It is a super-2 number, since 2×130120012081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130120012181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060006040 + 65060006041.

It is an arithmetic number, because the mean of its divisors is an integer number (65060006041).

Almost surely, 2^130120012081 is an apocalyptic number.

It is an amenable number.

130120012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

130120012081 is an equidigital number, since it uses as much as digits as its factorization.

130120012081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The spelling of 130120012081 in words is "one hundred thirty billion, one hundred twenty million, twelve thousand, eighty-one".