12231230003221 has 2 divisors, whose sum is σ = 12231230003222. Its totient is φ = 12231230003220.

The previous prime is 12231230003189. The next prime is 12231230003339. The reversal of 12231230003221 is 12230003213221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12227337491121 + 3892512100 = 3496761^2 + 62390^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231230003221 - 2⁵ = 12231230003189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12231230003192 and 12231230003201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231230004221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115615001610 + 6115615001611.

It is an arithmetic number, because the mean of its divisors is an integer number (6115615001611).

Almost surely, 2^{12231230003221} is an apocalyptic number.

It is an amenable number.

12231230003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231230003221 is an equidigital number, since it uses as much as digits as its factorization.

12231230003221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12231230003221 its reverse (12230003213221), we get a palindrome (24461233216442).

The spelling of 12231230003221 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirty million, three thousand, two hundred twenty-one".