The number "112" is a three-digit integer that follows 111 and precedes 113. It is often used in various contexts, including mathematics, where it can represent a quantity or a position in a sequence. In Roman numerals, 112 is written as "CXII." In many countries, including those in the European Union, "112" serves as the emergency telephone number for contacting police, fire, or medical services. This number is designed to be easy to remember and is available 24/7, ensuring that help can be reached quickly in urgent situations.