12233023300021 has 2 divisors, whose sum is σ = 12233023300022. Its totient is φ = 12233023300020.

The previous prime is 12233023300013. The next prime is 12233023300067. The reversal of 12233023300021 is 12000332033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11888090263921 + 344933036100 = 3447911^2 + 587310^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233023300021 - 2³ = 12233023300013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12233023299965 and 12233023300001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12233053300021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116511650010 + 6116511650011.

It is an arithmetic number, because the mean of its divisors is an integer number (6116511650011).

Almost surely, 2^{12233023300021} is an apocalyptic number.

It is an amenable number.

12233023300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233023300021 is an equidigital number, since it uses as much as digits as its factorization.

12233023300021 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 12233023300021 its reverse (12000332033221), we get a palindrome (24233355333242).

The spelling of 12233023300021 in words is "twelve trillion, two hundred thirty-three billion, twenty-three million, three hundred thousand, twenty-one".