12233233221 has 24 divisors (see below), whose sum is σ = 18106160352. Its totient is φ = 7340652000.

The previous prime is 12233233219. The next prime is 12233233223.

12233233221 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (12233233219) and next prime (12233233223).

It is not a de Polignac number, because 12233233221 - 2¹ = 12233233219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12233233191 and 12233233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233233223) 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, 130171 + ... + 203496.

It is an arithmetic number, because the mean of its divisors is an integer number (754423348).

Almost surely, 2^12233233221 is an apocalyptic number.

12233233221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12233233221 is a deficient number, since it is larger than the sum of its proper divisors (5872927131).

12233233221 is a wasteful number, since it uses less digits than its factorization.

12233233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333793 (or 333782 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The spelling of 12233233221 in words is "twelve billion, two hundred thirty-three million, two hundred thirty-three thousand, two hundred twenty-one".