122013311263 has 2 divisors, whose sum is σ = 122013311264. Its totient is φ = 122013311262.

The previous prime is 122013311219. The next prime is 122013311323. The reversal of 122013311263 is 362113310221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122013311263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122013311663) 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, 61006655631 + 61006655632.

It is an arithmetic number, because the mean of its divisors is an integer number (61006655632).

Almost surely, 2^122013311263 is an apocalyptic number.

122013311263 is a deficient number, since it is larger than the sum of its proper divisors (1).

122013311263 is an equidigital number, since it uses as much as digits as its factorization.

122013311263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 122013311263 its reverse (362113310221), we get a palindrome (484126621484).

The spelling of 122013311263 in words is "one hundred twenty-two billion, thirteen million, three hundred eleven thousand, two hundred sixty-three".