1222123202013 has 48 divisors (see below), whose sum is σ = 1898667993600. Its totient is φ = 697204103904.

The previous prime is 1222123201997. The next prime is 1222123202033. The reversal of 1222123202013 is 3102023212221.

It is not a de Polignac number, because 1222123202013 - 2⁴ = 1222123201997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222123202033) 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 in 47 ways as a sum of consecutive naturals, for example, 346503256 + ... + 346506782.

It is an arithmetic number, because the mean of its divisors is an integer number (39555583200).

Almost surely, 2^{1222123202013} is an apocalyptic number.

It is an amenable number.

1222123202013 is a deficient number, since it is larger than the sum of its proper divisors (676544791587).

1222123202013 is a wasteful number, since it uses less digits than its factorization.

1222123202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766 (or 6759 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1222123202013 its reverse (3102023212221), we get a palindrome (4324146414234).

The spelling of 1222123202013 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-three million, two hundred two thousand, thirteen".