12222320032213 has 2 divisors, whose sum is σ = 12222320032214. Its totient is φ = 12222320032212.

The previous prime is 12222320032159. The next prime is 12222320032229. The reversal of 12222320032213 is 31223002322221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11893828280049 + 328491752164 = 3448743^2 + 573142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222320032213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222320032313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111160016106 + 6111160016107.

It is an arithmetic number, because the mean of its divisors is an integer number (6111160016107).

Almost surely, 2^{12222320032213} is an apocalyptic number.

It is an amenable number.

12222320032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222320032213 is an equidigital number, since it uses as much as digits as its factorization.

12222320032213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12222320032213 its reverse (31223002322221), we get a palindrome (43445322354434).

The spelling of 12222320032213 in words is "twelve trillion, two hundred twenty-two billion, three hundred twenty million, thirty-two thousand, two hundred thirteen".