12000330161 has 2 divisors, whose sum is σ = 12000330162. Its totient is φ = 12000330160.

The previous prime is 12000330157. The next prime is 12000330259. The reversal of 12000330161 is 16103300021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11999887936 + 442225 = 109544^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000330161 - 2² = 12000330157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12000332161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000165080 + 6000165081.

It is an arithmetic number, because the mean of its divisors is an integer number (6000165081).

Almost surely, 2^12000330161 is an apocalyptic number.

It is an amenable number.

12000330161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000330161 is an equidigital number, since it uses as much as digits as its factorization.

12000330161 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.

Adding to 12000330161 its reverse (16103300021), we get a palindrome (28103630182).

The spelling of 12000330161 in words is "twelve billion, three hundred thirty thousand, one hundred sixty-one".