12017868605186 has 8 divisors (see below), whose sum is σ = 18056797589964. Its totient is φ = 5998936075200.

The previous prime is 12017868605173. The next prime is 12017868605189. The reversal of 12017868605186 is 68150686871021.

It can be written as a sum of positive squares in 2 ways, for example, as 11983816915225 + 34051689961 = 3461765^2 + 184531^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12017868605189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999112195 + ... + 4999114598.

Almost surely, 2^{12017868605186} is an apocalyptic number.

12017868605186 is a deficient number, since it is larger than the sum of its proper divisors (6038928984778).

12017868605186 is an equidigital number, since it uses as much as digits as its factorization.

12017868605186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9998227396.

The product of its (nonzero) digits is 7741440, while the sum is 59.

The spelling of 12017868605186 in words is "twelve trillion, seventeen billion, eight hundred sixty-eight million, six hundred five thousand, one hundred eighty-six".