12163892123 has 2 divisors, whose sum is σ = 12163892124. Its totient is φ = 12163892122.

The previous prime is 12163892113. The next prime is 12163892137. The reversal of 12163892123 is 32129836121.

It is a weak prime.

It is an emirp because it is prime and its reverse (32129836121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12163892123 - 2²⁰ = 12162843547 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (12163892113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081946061 + 6081946062.

It is an arithmetic number, because the mean of its divisors is an integer number (6081946062).

Almost surely, 2^12163892123 is an apocalyptic number.

12163892123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163892123 is an equidigital number, since it uses as much as digits as its factorization.

12163892123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The spelling of 12163892123 in words is "twelve billion, one hundred sixty-three million, eight hundred ninety-two thousand, one hundred twenty-three".