  Cluster radioactivity is an exotic nuclear decay observed in actinides where
a light nucleus is emitted while the remaining heavy mass residue is the doubly
magic $^{208}$Pb or a nucleus in its neighborhood. We have investigated this
type of decay in heavier nuclei up to Lv $(Z=116)$ within a microscopic theory.
It has been found that super asymmetric fission with $^{208}$Pb as heavy
fragment may be dominant decay channel in some super heavy nuclei. This
reaction is closely related with cluster radioactivity.
