12230432161 has 2 divisors, whose sum is σ = 12230432162. Its totient is φ = 12230432160.

The previous prime is 12230432129. The next prime is 12230432173. The reversal of 12230432161 is 16123403221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12225503761 + 4928400 = 110569^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230432161 - 2⁵ = 12230432129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12230432561) 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, 6115216080 + 6115216081.

It is an arithmetic number, because the mean of its divisors is an integer number (6115216081).

Almost surely, 2^12230432161 is an apocalyptic number.

It is an amenable number.

12230432161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230432161 is an equidigital number, since it uses as much as digits as its factorization.

12230432161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12230432161 its reverse (16123403221), we get a palindrome (28353835382).

The spelling of 12230432161 in words is "twelve billion, two hundred thirty million, four hundred thirty-two thousand, one hundred sixty-one".