12021120120013 has 2 divisors, whose sum is σ = 12021120120014. Its totient is φ = 12021120120012.

The previous prime is 12021120119941. The next prime is 12021120120017. The reversal of 12021120120013 is 31002102112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9231892790409 + 2789227329604 = 3038403^2 + 1670098^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021120120013 - 2³⁷ = 11883681166541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021120120017) 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, 6010560060006 + 6010560060007.

It is an arithmetic number, because the mean of its divisors is an integer number (6010560060007).

Almost surely, 2^{12021120120013} is an apocalyptic number.

It is an amenable number.

12021120120013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021120120013 is an equidigital number, since it uses as much as digits as its factorization.

12021120120013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12021120120013 its reverse (31002102112021), we get a palindrome (43023222232034).

The spelling of 12021120120013 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand, thirteen".