12330255221 has 2 divisors, whose sum is σ = 12330255222. Its totient is φ = 12330255220.

The previous prime is 12330255211. The next prime is 12330255229. The reversal of 12330255221 is 12255203321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12207156196 + 123099025 = 110486^2 + 11095^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330255221 - 2¹⁰ = 12330254197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12330255229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165127610 + 6165127611.

It is an arithmetic number, because the mean of its divisors is an integer number (6165127611).

Almost surely, 2^12330255221 is an apocalyptic number.

It is an amenable number.

12330255221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330255221 is an equidigital number, since it uses as much as digits as its factorization.

12330255221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12330255221 its reverse (12255203321), we get a palindrome (24585458542).

The spelling of 12330255221 in words is "twelve billion, three hundred thirty million, two hundred fifty-five thousand, two hundred twenty-one".