



 
Hi Joe, e+12 means that you multiply by $10^{12},$ thus for example \[5.5795 \mbox{e+6} = 5.5795 \times 10^6 = 5.5795 \times 100,000 = 5,579,500.\] For the names I would look at Billions and More. On this page it says that $10^{12}$ is one trillion so 1.7123288e+12 is one point seven one two three two eight eight trillion or write it I hope this helps, 



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