1222312032113 has 4 divisors (see below), whose sum is σ = 1222514173440. Its totient is φ = 1222109890788.

The previous prime is 1222312032101. The next prime is 1222312032143. The reversal of 1222312032113 is 3112302132221.

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 1222312032113 - 2⁶ = 1222312032049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222312032143) 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, 101061593 + ... + 101073686.

It is an arithmetic number, because the mean of its divisors is an integer number (305628543360).

Almost surely, 2^{1222312032113} is an apocalyptic number.

It is an amenable number.

1222312032113 is a deficient number, since it is larger than the sum of its proper divisors (202141327).

1222312032113 is an equidigital number, since it uses as much as digits as its factorization.

1222312032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202141326.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1222312032113 its reverse (3112302132221), we get a palindrome (4334614164334).

The spelling of 1222312032113 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, thirty-two thousand, one hundred thirteen".