12223313121 has 16 divisors (see below), whose sum is σ = 16346073600. Its totient is φ = 8124745728.

The previous prime is 12223313107. The next prime is 12223313143. The reversal of 12223313121 is 12131332221.

It is not a de Polignac number, because 12223313121 - 2⁶ = 12223313057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223313101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021715 + ... + 2027751.

It is an arithmetic number, because the mean of its divisors is an integer number (1021629600).

Almost surely, 2^12223313121 is an apocalyptic number.

It is an amenable number.

12223313121 is a deficient number, since it is larger than the sum of its proper divisors (4122760479).

12223313121 is a wasteful number, since it uses less digits than its factorization.

12223313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928.

The product of its digits is 432, while the sum is 21.

Adding to 12223313121 its reverse (12131332221), we get a palindrome (24354645342).

The spelling of 12223313121 in words is "twelve billion, two hundred twenty-three million, three hundred thirteen thousand, one hundred twenty-one".