122223211213 has 2 divisors, whose sum is σ = 122223211214. Its totient is φ = 122223211212.

The previous prime is 122223211199. The next prime is 122223211217. The reversal of 122223211213 is 312112322221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116528697769 + 5694513444 = 341363^2 + 75462^2 .

It is a cyclic number.

It is not a de Polignac number, because 122223211213 - 2¹⁷ = 122223080141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122223211217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111605606 + 61111605607.

It is an arithmetic number, because the mean of its divisors is an integer number (61111605607).

Almost surely, 2^122223211213 is an apocalyptic number.

It is an amenable number.

122223211213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122223211213 is an equidigital number, since it uses as much as digits as its factorization.

122223211213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

Adding to 122223211213 its reverse (312112322221), we get a palindrome (434335533434).

The spelling of 122223211213 in words is "one hundred twenty-two billion, two hundred twenty-three million, two hundred eleven thousand, two hundred thirteen".