12163500647 has 2 divisors, whose sum is σ = 12163500648. Its totient is φ = 12163500646.

The previous prime is 12163500553. The next prime is 12163500649. The reversal of 12163500647 is 74600536121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12163500647 - 2²² = 12159306343 is a prime.

Together with 12163500649, 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 (12163500649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081750323 + 6081750324.

It is an arithmetic number, because the mean of its divisors is an integer number (6081750324).

Almost surely, 2^12163500647 is an apocalyptic number.

12163500647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163500647 is an equidigital number, since it uses as much as digits as its factorization.

12163500647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12163500647 in words is "twelve billion, one hundred sixty-three million, five hundred thousand, six hundred forty-seven".