12220211312213 has 2 divisors, whose sum is σ = 12220211312214. Its totient is φ = 12220211312212.

The previous prime is 12220211312149. The next prime is 12220211312261. The reversal of 12220211312213 is 31221311202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11881484984209 + 338726328004 = 3446953^2 + 582002^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220211312213 - 2⁶ = 12220211312149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220211312713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110105656106 + 6110105656107.

It is an arithmetic number, because the mean of its divisors is an integer number (6110105656107).

Almost surely, 2^{12220211312213} is an apocalyptic number.

It is an amenable number.

12220211312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220211312213 is an equidigital number, since it uses as much as digits as its factorization.

12220211312213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12220211312213 its reverse (31221311202221), we get a palindrome (43441522514434).

The spelling of 12220211312213 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, three hundred twelve thousand, two hundred thirteen".