12330161 has 2 divisors, whose sum is σ = 12330162. Its totient is φ = 12330160.

The previous prime is 12330103. The next prime is 12330163. The reversal of 12330161 is 16103321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 4490161 = 2800^2 + 2119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12330161 is a prime.

Together with 12330163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12330163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165080 + 6165081.

It is an arithmetic number, because the mean of its divisors is an integer number (6165081).

Almost surely, 2^12330161 is an apocalyptic number.

It is an amenable number.

12330161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330161 is an equidigital number, since it uses as much as digits as its factorization.

12330161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12330161 is about 3511.4328984049. The cubic root of 12330161 is about 231.0235478828.

Adding to 12330161 its reverse (16103321), we get a palindrome (28433482).

The spelling of 12330161 in words is "twelve million, three hundred thirty thousand, one hundred sixty-one".