12656741147 has 2 divisors, whose sum is σ = 12656741148. Its totient is φ = 12656741146.

The previous prime is 12656741137. The next prime is 12656741159. The reversal of 12656741147 is 74114765621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12656741147 - 2¹⁶ = 12656675611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12656741098 and 12656741107.

It is not a weakly prime, because it can be changed into another prime (12656741137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328370573 + 6328370574.

It is an arithmetic number, because the mean of its divisors is an integer number (6328370574).

Almost surely, 2^12656741147 is an apocalyptic number.

12656741147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12656741147 is an equidigital number, since it uses as much as digits as its factorization.

12656741147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The spelling of 12656741147 in words is "twelve billion, six hundred fifty-six million, seven hundred forty-one thousand, one hundred forty-seven".