12003233221 has 8 divisors (see below), whose sum is σ = 13872116160. Its totient is φ = 10172884128.

The previous prime is 12003233189. The next prime is 12003233243. The reversal of 12003233221 is 12233230021.

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 12003233221 - 2⁵ = 12003233189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003233621) 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, 9632791 + ... + 9634036.

It is an arithmetic number, because the mean of its divisors is an integer number (1734014520).

Almost surely, 2^12003233221 is an apocalyptic number.

It is an amenable number.

12003233221 is a deficient number, since it is larger than the sum of its proper divisors (1868882939).

12003233221 is an equidigital number, since it uses as much as digits as its factorization.

12003233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266923.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12003233221 its reverse (12233230021), we get a palindrome (24236463242).

The spelling of 12003233221 in words is "twelve billion, three million, two hundred thirty-three thousand, two hundred twenty-one".