12196511923 has 2 divisors, whose sum is σ = 12196511924. Its totient is φ = 12196511922.

The previous prime is 12196511893. The next prime is 12196511947. The reversal of 12196511923 is 32911569121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12196511923 - 2²⁵ = 12162957491 is a prime.

It is not a weakly prime, because it can be changed into another prime (12196511993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098255961 + 6098255962.

It is an arithmetic number, because the mean of its divisors is an integer number (6098255962).

Almost surely, 2^12196511923 is an apocalyptic number.

12196511923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196511923 is an equidigital number, since it uses as much as digits as its factorization.

12196511923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 40.

The spelling of 12196511923 in words is "twelve billion, one hundred ninety-six million, five hundred eleven thousand, nine hundred twenty-three".