12212113732613 has 2 divisors, whose sum is σ = 12212113732614. Its totient is φ = 12212113732612.

The previous prime is 12212113732607. The next prime is 12212113732747. The reversal of 12212113732613 is 31623731121221.

It is a happy number.

12212113732613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10784143702084 + 1427970030529 = 3283922^2 + 1194977^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212113732613 - 2⁴ = 12212113732597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212113737613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106056866306 + 6106056866307.

It is an arithmetic number, because the mean of its divisors is an integer number (6106056866307).

Almost surely, 2^{12212113732613} is an apocalyptic number.

It is an amenable number.

12212113732613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212113732613 is an equidigital number, since it uses as much as digits as its factorization.

12212113732613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

Adding to 12212113732613 its reverse (31623731121221), we get a palindrome (43835844853834).

The spelling of 12212113732613 in words is "twelve trillion, two hundred twelve billion, one hundred thirteen million, seven hundred thirty-two thousand, six hundred thirteen".