OpenSUSE 12.1 and 12.2 are UNSUPPORTED!!!
OpenSUSE 12.3 will become unsupported this summer ( in 97 DAYS!!!)
Nano should be installed by default
if not use the above to install it
BUT 12.1 is NOT SUPPORTED any longer
and there have been NO security updates to 12.1 for OVER A YEAR
Please stay current and UP TO DATE !!!
install the current OpenSUSE 13.1