12223231313121 has 24 divisors (see below), whose sum is σ = 18032149399680. Its totient is φ = 7975125027936.

The previous prime is 12223231313107. The next prime is 12223231313129. The reversal of 12223231313121 is 12131313232221.

12223231313121 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 32 + 313 + 1 + 312 + 1 = 666.

12223231313121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12223231313121 - 2⁷ = 12223231312993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223231313129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10336935 + ... + 11458563.

It is an arithmetic number, because the mean of its divisors is an integer number (751339558320).

Almost surely, 2^{12223231313121} is an apocalyptic number.

It is an amenable number.

12223231313121 is a deficient number, since it is larger than the sum of its proper divisors (5808918086559).

12223231313121 is a wasteful number, since it uses less digits than its factorization.

12223231313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147445 (or 1147442 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 12223231313121 its reverse (12131313232221), we get a palindrome (24354544545342).

The spelling of 12223231313121 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-one".