12117047147 has 2 divisors, whose sum is σ = 12117047148. Its totient is φ = 12117047146.

The previous prime is 12117047141. The next prime is 12117047153. The reversal of 12117047147 is 74174071121.

It is a balanced prime because it is at equal distance from previous prime (12117047141) and next prime (12117047153).

It is a cyclic number.

It is not a de Polignac number, because 12117047147 - 2³⁰ = 11043305323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12117047141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058523573 + 6058523574.

It is an arithmetic number, because the mean of its divisors is an integer number (6058523574).

Almost surely, 2^12117047147 is an apocalyptic number.

12117047147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12117047147 is an equidigital number, since it uses as much as digits as its factorization.

12117047147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10976, while the sum is 35.

The spelling of 12117047147 in words is "twelve billion, one hundred seventeen million, forty-seven thousand, one hundred forty-seven".