12143718871 has 8 divisors (see below), whose sum is σ = 12736034784. Its totient is φ = 11556763680.

The previous prime is 12143718857. The next prime is 12143718929. The reversal of 12143718871 is 17881734121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12143718871 - 2²⁷ = 12009501143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143718371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335540 + ... + 1344601.

It is an arithmetic number, because the mean of its divisors is an integer number (1592004348).

Almost surely, 2^12143718871 is an apocalyptic number.

12143718871 is a deficient number, since it is larger than the sum of its proper divisors (592315913).

12143718871 is a wasteful number, since it uses less digits than its factorization.

12143718871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680361.

The product of its digits is 75264, while the sum is 43.

The spelling of 12143718871 in words is "twelve billion, one hundred forty-three million, seven hundred eighteen thousand, eight hundred seventy-one".