121023312032 has 24 divisors (see below), whose sum is σ = 272302452576. Its totient is φ = 51867133632.

The previous prime is 121023312029. The next prime is 121023312119. The reversal of 121023312032 is 230213320121.

It is a junction number, because it is equal to n+sod(n) for n = 121023311995 and 121023312013.

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, 270141098 + ... + 270141545.

It is an arithmetic number, because the mean of its divisors is an integer number (11345935524).

Almost surely, 2^121023312032 is an apocalyptic number.

It is an amenable number.

121023312032 is an abundant number, since it is smaller than the sum of its proper divisors (151279140544).

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

121023312032 is an equidigital number, since it uses as much as digits as its factorization.

121023312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540282660 (or 540282652 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121023312032 its reverse (230213320121), we get a palindrome (351236632153).

The spelling of 121023312032 in words is "one hundred twenty-one billion, twenty-three million, three hundred twelve thousand, thirty-two".