1222313023013 has 4 divisors (see below), whose sum is σ = 1237785339840. Its totient is φ = 1206840706188.

The previous prime is 1222313022989. The next prime is 1222313023027. The reversal of 1222313023013 is 3103203132221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222313023013 - 2¹² = 1222313018917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222313023013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222313023073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7736158295 + ... + 7736158452.

It is an arithmetic number, because the mean of its divisors is an integer number (309446334960).

Almost surely, 2^{1222313023013} is an apocalyptic number.

It is an amenable number.

1222313023013 is a deficient number, since it is larger than the sum of its proper divisors (15472316827).

1222313023013 is an equidigital number, since it uses as much as digits as its factorization.

1222313023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15472316826.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1222313023013 its reverse (3103203132221), we get a palindrome (4325516155234).

The spelling of 1222313023013 in words is "one trillion, two hundred twenty-two billion, three hundred thirteen million, twenty-three thousand, thirteen".