12143108 has 12 divisors (see below), whose sum is σ = 21702912. Its totient is φ = 5942280.

The previous prime is 12143107. The next prime is 12143111. The reversal of 12143108 is 80134121.

It is a self number, because there is not a number n which added to its sum of digits gives 12143108.

It is not an unprimeable number, because it can be changed into a prime (12143107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32108 + ... + 32483.

It is an arithmetic number, because the mean of its divisors is an integer number (1808576).

Almost surely, 2^12143108 is an apocalyptic number.

It is an amenable number.

12143108 is a deficient number, since it is larger than the sum of its proper divisors (9559804).

12143108 is a wasteful number, since it uses less digits than its factorization.

12143108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64642 (or 64640 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12143108 is about 3484.6962564907. The cubic root of 12143108 is about 229.8493531458.

Adding to 12143108 its reverse (80134121), we get a palindrome (92277229).

The spelling of 12143108 in words is "twelve million, one hundred forty-three thousand, one hundred eight".