\[\frac{10^{12}}{2^{6} \cdot 5^{6}} = \frac{2^{12} \cdot 5^{12}}{2^{6} \cdot 5^{6}} =\]
\[= 2^{12 - 6} \cdot 5^{12 - 6} = 2^{6} \cdot 5^{6} =\]
\[= 10^{6} = 1\ 000\ 000.\]