12143433161 has 2 divisors, whose sum is σ = 12143433162. Its totient is φ = 12143433160.

The previous prime is 12143433101. The next prime is 12143433173. The reversal of 12143433161 is 16133434121.

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., 9205251136 + 2938182025 = 95944^2 + 54205^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143433161 - 2³⁰ = 11069691337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12143433101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071716580 + 6071716581.

It is an arithmetic number, because the mean of its divisors is an integer number (6071716581).

Almost surely, 2^12143433161 is an apocalyptic number.

It is an amenable number.

12143433161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143433161 is an equidigital number, since it uses as much as digits as its factorization.

12143433161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

Adding to 12143433161 its reverse (16133434121), we get a palindrome (28276867282).

The spelling of 12143433161 in words is "twelve billion, one hundred forty-three million, four hundred thirty-three thousand, one hundred sixty-one".