To solve for X, we first need to calculate 12018 - 27C16:

Convert 27C16 to decimal:
C in hexadecimal is equivalent to 12 in decimal.
Therefore, 27C16 = 27116.

Now, subtract 27116 from 12018:
12018

-15098

Next, multiply -15098 by 110002:
110002 * (-15098) = -16607899796

Therefore, X = -166078997968.