IPA: /ˌdjuːəˈdɛsɪən/
KK: /duːəˈdɛsɪljən/
A very large number that is equal to 1 followed by 39 zeros.
In the mathematical world, a duodecillion is often used to describe extremely large quantities.
Duodecillion → It is formed from "duodeci-" (from Latin "duodecim", meaning twelve) and "-llion" (from the suffix used in large numbers, derived from "million"). The word "duodecillion" refers to a number that is a million raised to the power of twelve, or one followed by 39 zeros in the short scale system.
Think of 'twelve' ('duodeci-') as the base for this large number, and remember that 'duodecillion' represents a million raised to the twelfth power.