500 quadrillion EURO were printed in Europe during the last 80 years
This is mathematically impossible... unless you are a time traveler coming from the future.

but there was no inflation
You're wrong. You should have done a quick search on the internet on this. As a hint: inflation is pretty much always there.
If anyone wants to check, one chart is this one (
https://tradingeconomics.com/euro-area/inflation-cpi) just click onto the MAX button.