12287375117 has 2 divisors, whose sum is σ = 12287375118. Its totient is φ = 12287375116.

The previous prime is 12287375063. The next prime is 12287375143. The reversal of 12287375117 is 71157378221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12125092996 + 162282121 = 110114^2 + 12739^2 .

It is a cyclic number.

It is not a de Polignac number, because 12287375117 - 2¹⁰ = 12287374093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12287375417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143687558 + 6143687559.

It is an arithmetic number, because the mean of its divisors is an integer number (6143687559).

Almost surely, 2^12287375117 is an apocalyptic number.

It is an amenable number.

12287375117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12287375117 is an equidigital number, since it uses as much as digits as its factorization.

12287375117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 44.

The spelling of 12287375117 in words is "twelve billion, two hundred eighty-seven million, three hundred seventy-five thousand, one hundred seventeen".