12858314186 has 8 divisors (see below), whose sum is σ = 19291870980. Its totient is φ = 6427690528.

The previous prime is 12858314177. The next prime is 12858314233. The reversal of 12858314186 is 68141385821.

It can be written as a sum of positive squares in 2 ways, for example, as 12852530161 + 5784025 = 113369^2 + 2405^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12858314186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722291 + ... + 739878.

Almost surely, 2^12858314186 is an apocalyptic number.

12858314186 is a deficient number, since it is larger than the sum of its proper divisors (6433556794).

12858314186 is a wasteful number, since it uses less digits than its factorization.

12858314186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466568.

The product of its digits is 368640, while the sum is 47.

The spelling of 12858314186 in words is "twelve billion, eight hundred fifty-eight million, three hundred fourteen thousand, one hundred eighty-six".