12033223321 has 4 divisors (see below), whose sum is σ = 13752255232. Its totient is φ = 10314191412.

The previous prime is 12033223289. The next prime is 12033223343. The reversal of 12033223321 is 12332233021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12033223321 - 2⁵ = 12033223289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12033223292 and 12033223301.

It is not an unprimeable number, because it can be changed into a prime (12033223021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859515945 + ... + 859515958.

It is an arithmetic number, because the mean of its divisors is an integer number (3438063808).

Almost surely, 2^12033223321 is an apocalyptic number.

It is an amenable number.

12033223321 is a deficient number, since it is larger than the sum of its proper divisors (1719031911).

12033223321 is an equidigital number, since it uses as much as digits as its factorization.

12033223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719031910.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12033223321 its reverse (12332233021), we get a palindrome (24365456342).

The spelling of 12033223321 in words is "twelve billion, thirty-three million, two hundred twenty-three thousand, three hundred twenty-one".