12233323021 has 2 divisors, whose sum is σ = 12233323022. Its totient is φ = 12233323020.

The previous prime is 12233322929. The next prime is 12233323031. The reversal of 12233323021 is 12032333221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10258853796 + 1974469225 = 101286^2 + 44435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12233323021 is a prime.

It is a super-2 number, since 2×12233323021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12233322983 and 12233323001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12233323031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116661510 + 6116661511.

It is an arithmetic number, because the mean of its divisors is an integer number (6116661511).

Almost surely, 2^12233323021 is an apocalyptic number.

It is an amenable number.

12233323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233323021 is an equidigital number, since it uses as much as digits as its factorization.

12233323021 is an evil number, because the sum of its binary digits is even.

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

Adding to 12233323021 its reverse (12032333221), we get a palindrome (24265656242).

The spelling of 12233323021 in words is "twelve billion, two hundred thirty-three million, three hundred twenty-three thousand, twenty-one".