12232422423221 has 16 divisors (see below), whose sum is σ = 16423951786368. Its totient is φ = 8798545598400.

The previous prime is 12232422423217. The next prime is 12232422423233.

12232422423221 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12232422423221 - 2² = 12232422423217 is a prime.

It is a super-3 number, since 3×12232422423221³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232422423121) 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, 6110100110 + ... + 6110102111.

It is an arithmetic number, because the mean of its divisors is an integer number (1026496986648).

Almost surely, 2^{12232422423221} is an apocalyptic number.

12232422423221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12232422423221 is a deficient number, since it is larger than the sum of its proper divisors (4191529363147).

12232422423221 is a wasteful number, since it uses less digits than its factorization.

12232422423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220202252.

The product of its digits is 36864, while the sum is 32.

It can be divided in two parts, 1223242 and 2423221, that added together give a palindrome (3646463).

The spelling of 12232422423221 in words is "twelve trillion, two hundred thirty-two billion, four hundred twenty-two million, four hundred twenty-three thousand, two hundred twenty-one".