12003233321 has 4 divisors (see below), whose sum is σ = 12258621312. Its totient is φ = 11747845332.

The previous prime is 12003233317. The next prime is 12003233329. The reversal of 12003233321 is 12333230021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12333230021 = 7 ⋅1761890003.

It is not a de Polignac number, because 12003233321 - 2² = 12003233317 is a prime.

It is a super-2 number, since 2×12003233321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003233293 and 12003233302.

It is not an unprimeable number, because it can be changed into a prime (12003233329) 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, 127693925 + ... + 127694018.

It is an arithmetic number, because the mean of its divisors is an integer number (3064655328).

Almost surely, 2^12003233321 is an apocalyptic number.

It is an amenable number.

12003233321 is a deficient number, since it is larger than the sum of its proper divisors (255387991).

12003233321 is an equidigital number, since it uses as much as digits as its factorization.

12003233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255387990.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12003233321 its reverse (12333230021), we get a palindrome (24336463342).

The spelling of 12003233321 in words is "twelve billion, three million, two hundred thirty-three thousand, three hundred twenty-one".