12163922231 has 2 divisors, whose sum is σ = 12163922232. Its totient is φ = 12163922230.

The previous prime is 12163922191. The next prime is 12163922233. The reversal of 12163922231 is 13222936121.

It is a strong prime.

It is an emirp because it is prime and its reverse (13222936121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12163922231 - 2¹⁰ = 12163921207 is a prime.

It is a super-2 number, since 2×12163922231² (a number of 21 digits) contains 22 as substring.

Together with 12163922233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12163922233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081961115 + 6081961116.

It is an arithmetic number, because the mean of its divisors is an integer number (6081961116).

Almost surely, 2^12163922231 is an apocalyptic number.

12163922231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163922231 is an equidigital number, since it uses as much as digits as its factorization.

12163922231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The spelling of 12163922231 in words is "twelve billion, one hundred sixty-three million, nine hundred twenty-two thousand, two hundred thirty-one".