12233023221 has 8 divisors (see below), whose sum is σ = 16322687424. Its totient is φ = 8149353920.

The previous prime is 12233023219. The next prime is 12233023237. The reversal of 12233023221 is 12232033221.

It is a happy number.

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 12233023221 - 2¹ = 12233023219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233023291) 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, 1493961 + ... + 1502126.

It is an arithmetic number, because the mean of its divisors is an integer number (2040335928).

Almost surely, 2^12233023221 is an apocalyptic number.

It is an amenable number.

12233023221 is a deficient number, since it is larger than the sum of its proper divisors (4089664203).

12233023221 is a wasteful number, since it uses less digits than its factorization.

12233023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997451.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12233023221 its reverse (12232033221), we get a palindrome (24465056442).

The spelling of 12233023221 in words is "twelve billion, two hundred thirty-three million, twenty-three thousand, two hundred twenty-one".