12071327161 has 2 divisors, whose sum is σ = 12071327162. Its totient is φ = 12071327160.

The previous prime is 12071327137. The next prime is 12071327167. The reversal of 12071327161 is 16172317021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9584410000 + 2486917161 = 97900^2 + 49869^2 .

It is a cyclic number.

It is not a de Polignac number, because 12071327161 - 2⁵ = 12071327129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12071327167) 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, 6035663580 + 6035663581.

It is an arithmetic number, because the mean of its divisors is an integer number (6035663581).

Almost surely, 2^12071327161 is an apocalyptic number.

It is an amenable number.

12071327161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071327161 is an equidigital number, since it uses as much as digits as its factorization.

12071327161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The spelling of 12071327161 in words is "twelve billion, seventy-one million, three hundred twenty-seven thousand, one hundred sixty-one".