12517648147 has 2 divisors, whose sum is σ = 12517648148. Its totient is φ = 12517648146.

The previous prime is 12517648141. The next prime is 12517648163. The reversal of 12517648147 is 74184671521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12517648147 - 2⁷ = 12517648019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12517648097 and 12517648106.

It is not a weakly prime, because it can be changed into another prime (12517648141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258824073 + 6258824074.

It is an arithmetic number, because the mean of its divisors is an integer number (6258824074).

Almost surely, 2^12517648147 is an apocalyptic number.

12517648147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12517648147 is an equidigital number, since it uses as much as digits as its factorization.

12517648147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 46.

The spelling of 12517648147 in words is "twelve billion, five hundred seventeen million, six hundred forty-eight thousand, one hundred forty-seven".