1222323321013 has 2 divisors, whose sum is σ = 1222323321014. Its totient is φ = 1222323321012.

The previous prime is 1222323320951. The next prime is 1222323321029. The reversal of 1222323321013 is 3101233232221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140297215409 + 82026105604 = 1067847^2 + 286402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222323321013 - 2⁹ = 1222323320501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222323321113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611161660506 + 611161660507.

It is an arithmetic number, because the mean of its divisors is an integer number (611161660507).

Almost surely, 2^{1222323321013} is an apocalyptic number.

It is an amenable number.

1222323321013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222323321013 is an equidigital number, since it uses as much as digits as its factorization.

1222323321013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1222323321013 its reverse (3101233232221), we get a palindrome (4323556553234).

The spelling of 1222323321013 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-three million, three hundred twenty-one thousand, thirteen".