121305320420532 has 12 divisors (see below), whose sum is σ = 283045747647936. Its totient is φ = 40435106806840.

The previous prime is 121305320420521. The next prime is 121305320420551. The reversal of 121305320420532 is 235024023503121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121305320420493 and 121305320420502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5054388350844 + ... + 5054388350867.

It is an arithmetic number, because the mean of its divisors is an integer number (23587145637328).

Almost surely, 2^{121305320420532} is an apocalyptic number.

121305320420532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121305320420532 is an abundant number, since it is smaller than the sum of its proper divisors (161740427227404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121305320420532 is a wasteful number, since it uses less digits than its factorization.

121305320420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108776701718 (or 10108776701716 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 121305320420532 its reverse (235024023503121), we get a palindrome (356329343923653).

The spelling of 121305320420532 in words is "one hundred twenty-one trillion, three hundred five billion, three hundred twenty million, four hundred twenty thousand, five hundred thirty-two".