12232322323221 has 128 divisors (see below), whose sum is σ = 22575840731136. Its totient is φ = 5685404359680.

The previous prime is 12232322323171. The next prime is 12232322323223.

It is a happy number.

12232322323221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12232322323221 - 2⁹ = 12232322322709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232322323223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29012895 + ... + 29431491.

It is an arithmetic number, because the mean of its divisors is an integer number (176373755712).

Almost surely, 2^{12232322323221} is an apocalyptic number.

12232322323221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12232322323221 is a deficient number, since it is larger than the sum of its proper divisors (10343518407915).

12232322323221 is a wasteful number, since it uses less digits than its factorization.

12232322323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418931.

The product of its digits is 20736, while the sum is 30.

It can be divided in two parts, 1223232 and 2323221, that added together give a palindrome (3546453).

The spelling of 12232322323221 in words is "twelve trillion, two hundred thirty-two billion, three hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-one".