121223120032 has 24 divisors (see below), whose sum is σ = 272752020576. Its totient is φ = 51952765632.

The previous prime is 121223119999. The next prime is 121223120069. The reversal of 121223120032 is 230021322121.

It is a junction number, because it is equal to n+sod(n) for n = 121223119991 and 121223120009.

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, 270587098 + ... + 270587545.

It is an arithmetic number, because the mean of its divisors is an integer number (11364667524).

Almost surely, 2^121223120032 is an apocalyptic number.

It is an amenable number.

121223120032 is an abundant number, since it is smaller than the sum of its proper divisors (151528900544).

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

121223120032 is an equidigital number, since it uses as much as digits as its factorization.

121223120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541174660 (or 541174652 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121223120032 its reverse (230021322121), we get a palindrome (351244442153).

The spelling of 121223120032 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred twenty thousand, thirty-two".