121210221320132 has 24 divisors (see below), whose sum is σ = 244774039176576. Its totient is φ = 51442895593728.

The previous prime is 121210221320081. The next prime is 121210221320207. The reversal of 121210221320132 is 231023122012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210221320098 and 121210221320107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21014251853 + ... + 21014257620.

It is an arithmetic number, because the mean of its divisors is an integer number (10198918299024).

Almost surely, 2^{121210221320132} is an apocalyptic number.

It is an amenable number.

121210221320132 is an abundant number, since it is smaller than the sum of its proper divisors (123563817856444).

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

121210221320132 is a wasteful number, since it uses less digits than its factorization.

121210221320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42028509587 (or 42028509585 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121210221320132 its reverse (231023122012121), we get a palindrome (352233343332253).

The spelling of 121210221320132 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty-one million, three hundred twenty thousand, one hundred thirty-two".