12143771807 has 2 divisors, whose sum is σ = 12143771808. Its totient is φ = 12143771806.

The previous prime is 12143771753. The next prime is 12143771867. The reversal of 12143771807 is 70817734121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12143771807 - 2¹⁰ = 12143770783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12143771867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071885903 + 6071885904.

It is an arithmetic number, because the mean of its divisors is an integer number (6071885904).

Almost surely, 2^12143771807 is an apocalyptic number.

12143771807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143771807 is an equidigital number, since it uses as much as digits as its factorization.

12143771807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 12143771807 in words is "twelve billion, one hundred forty-three million, seven hundred seventy-one thousand, eight hundred seven".