12023105161 has 2 divisors, whose sum is σ = 12023105162. Its totient is φ = 12023105160.

The previous prime is 12023105117. The next prime is 12023105201. The reversal of 12023105161 is 16150132021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6371072761 + 5652032400 = 79819^2 + 75180^2 .

It is an emirp because it is prime and its reverse (16150132021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12023105161 - 2²¹ = 12021008009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12023105561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011552580 + 6011552581.

It is an arithmetic number, because the mean of its divisors is an integer number (6011552581).

Almost surely, 2^12023105161 is an apocalyptic number.

It is an amenable number.

12023105161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023105161 is an equidigital number, since it uses as much as digits as its factorization.

12023105161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 12023105161 its reverse (16150132021), we get a palindrome (28173237182).

The spelling of 12023105161 in words is "twelve billion, twenty-three million, one hundred five thousand, one hundred sixty-one".