12232400423221 has 8 divisors (see below), whose sum is σ = 13654772565984. Its totient is φ = 10861750903920.

The previous prime is 12232400423197. The next prime is 12232400423239.

12232400423221 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12232400423221 - 2²⁵ = 12232366868789 is a prime.

It is a super-2 number, since 2×12232400423221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12232400423221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232400423251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12930655366 + ... + 12930656311.

It is an arithmetic number, because the mean of its divisors is an integer number (1706846570748).

Almost surely, 2^{12232400423221} is an apocalyptic number.

12232400423221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12232400423221 is a deficient number, since it is larger than the sum of its proper divisors (1422372142763).

12232400423221 is a wasteful number, since it uses less digits than its factorization.

12232400423221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25861311731.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 12232400 and 423221, that added together give a palindrome (12655621).

The spelling of 12232400423221 in words is "twelve trillion, two hundred thirty-two billion, four hundred million, four hundred twenty-three thousand, two hundred twenty-one".