12136164427 has 2 divisors, whose sum is σ = 12136164428. Its totient is φ = 12136164426.

The previous prime is 12136164421. The next prime is 12136164431. The reversal of 12136164427 is 72446163121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12136164427 - 2³ = 12136164419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12136164421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068082213 + 6068082214.

It is an arithmetic number, because the mean of its divisors is an integer number (6068082214).

Almost surely, 2^12136164427 is an apocalyptic number.

12136164427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136164427 is an equidigital number, since it uses as much as digits as its factorization.

12136164427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The spelling of 12136164427 in words is "twelve billion, one hundred thirty-six million, one hundred sixty-four thousand, four hundred twenty-seven".