12230330221 has 2 divisors, whose sum is σ = 12230330222. Its totient is φ = 12230330220.

The previous prime is 12230330209. The next prime is 12230330261. The reversal of 12230330221 is 12203303221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10880576100 + 1349754121 = 104310^2 + 36739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230330221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230330261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115165110 + 6115165111.

It is an arithmetic number, because the mean of its divisors is an integer number (6115165111).

Almost surely, 2^12230330221 is an apocalyptic number.

It is an amenable number.

12230330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230330221 is an equidigital number, since it uses as much as digits as its factorization.

12230330221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12230330221 its reverse (12203303221), we get a palindrome (24433633442).

The spelling of 12230330221 in words is "twelve billion, two hundred thirty million, three hundred thirty thousand, two hundred twenty-one".