12230322033221 has 2 divisors, whose sum is σ = 12230322033222. Its totient is φ = 12230322033220.

The previous prime is 12230322033191. The next prime is 12230322033227. The reversal of 12230322033221 is 12233022303221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8018037844996 + 4212284188225 = 2831614^2 + 2052385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230322033221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230322033227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115161016610 + 6115161016611.

It is an arithmetic number, because the mean of its divisors is an integer number (6115161016611).

Almost surely, 2^{12230322033221} is an apocalyptic number.

It is an amenable number.

12230322033221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230322033221 is an equidigital number, since it uses as much as digits as its factorization.

12230322033221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12230322033221 its reverse (12233022303221), we get a palindrome (24463344336442).

The spelling of 12230322033221 in words is "twelve trillion, two hundred thirty billion, three hundred twenty-two million, thirty-three thousand, two hundred twenty-one".