622051211213 has 2 divisors, whose sum is σ = 622051211214. Its totient is φ = 622051211212.

The previous prime is 622051211209. The next prime is 622051211219. The reversal of 622051211213 is 312112150226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499118229289 + 122932981924 = 706483^2 + 350618^2 .

It is a cyclic number.

It is not a de Polignac number, because 622051211213 - 2² = 622051211209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622051211219) 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, 311025605606 + 311025605607.

It is an arithmetic number, because the mean of its divisors is an integer number (311025605607).

Almost surely, 2^622051211213 is an apocalyptic number.

It is an amenable number.

622051211213 is a deficient number, since it is larger than the sum of its proper divisors (1).

622051211213 is an equidigital number, since it uses as much as digits as its factorization.

622051211213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 622051211213 its reverse (312112150226), we get a palindrome (934163361439).

The spelling of 622051211213 in words is "six hundred twenty-two billion, fifty-one million, two hundred eleven thousand, two hundred thirteen".