The number of protons in an atom is defined by the element’s atomic number (Z). For any te atom (tellurium), Z = 52, so there are 52 protons in the nucleus of Tellurium atoms. This is true for all tellurium atoms, regardless of isotope. If you’re asking about hydrogen as a comparison, hydrogen has Z = 1, so it has 1 proton. For context, the atomic number is what identifies the element and determines the identity and many chemical properties.