12233213011021 has 2 divisors, whose sum is σ = 12233213011022. Its totient is φ = 12233213011020.

The previous prime is 12233213011003. The next prime is 12233213011031. The reversal of 12233213011021 is 12011031233221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7862023444900 + 4371189566121 = 2803930^2 + 2090739^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233213011021 - 2²⁹ = 12232676140109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12233213010983 and 12233213011001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12233213011031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116606505510 + 6116606505511.

It is an arithmetic number, because the mean of its divisors is an integer number (6116606505511).

Almost surely, 2^{12233213011021} is an apocalyptic number.

It is an amenable number.

12233213011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233213011021 is an equidigital number, since it uses as much as digits as its factorization.

12233213011021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12233213011021 its reverse (12011031233221), we get a palindrome (24244244244242).

The spelling of 12233213011021 in words is "twelve trillion, two hundred thirty-three billion, two hundred thirteen million, eleven thousand, twenty-one".