An information processing apparatus includes: a first casing; a second casing; a detecting portion that detects whether the first and the second casings are in a closed state or in a turnover open state; a volatile storage medium that stores a first number and a second number indicating the number of times of the closed state and the turnover open state respectively; and an accumulating portion that controls a nonvolatile storage medium to store the first number and the second number updated when the first number is dividable by a first predetermined number or when the second number is dividable by a second predetermined number.