12210120195613 has 2 divisors, whose sum is σ = 12210120195614. Its totient is φ = 12210120195612.

The previous prime is 12210120195571. The next prime is 12210120195619. The reversal of 12210120195613 is 31659102101221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7195843805049 + 5014276390564 = 2682507^2 + 2239258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210120195613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210120195619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105060097806 + 6105060097807.

It is an arithmetic number, because the mean of its divisors is an integer number (6105060097807).

Almost surely, 2^{12210120195613} is an apocalyptic number.

It is an amenable number.

12210120195613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210120195613 is an equidigital number, since it uses as much as digits as its factorization.

12210120195613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 12210120195613 its reverse (31659102101221), we get a palindrome (43869222296834).

The spelling of 12210120195613 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, one hundred ninety-five thousand, six hundred thirteen".