12360660647 has 2 divisors, whose sum is σ = 12360660648. Its totient is φ = 12360660646.

The previous prime is 12360660643. The next prime is 12360660649. The reversal of 12360660647 is 74606606321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12360660647 - 2² = 12360660643 is a prime.

Together with 12360660649, 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 (12360660643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180330323 + 6180330324.

It is an arithmetic number, because the mean of its divisors is an integer number (6180330324).

Almost surely, 2^12360660647 is an apocalyptic number.

12360660647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12360660647 is an equidigital number, since it uses as much as digits as its factorization.

12360660647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 12360660647 in words is "twelve billion, three hundred sixty million, six hundred sixty thousand, six hundred forty-seven".