121220332323 has 16 divisors (see below), whose sum is σ = 162370438272. Its totient is φ = 80442488000.

The previous prime is 121220332319. The next prime is 121220332349. The reversal of 121220332323 is 323233022121.

It is a cyclic number.

It is not a de Polignac number, because 121220332323 - 2² = 121220332319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121220332293 and 121220332302.

It is not an unprimeable number, because it can be changed into a prime (121220332223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744508 + ... + 892598.

It is an arithmetic number, because the mean of its divisors is an integer number (10148152392).

Almost surely, 2^121220332323 is an apocalyptic number.

121220332323 is a deficient number, since it is larger than the sum of its proper divisors (41150105949).

121220332323 is a wasteful number, since it uses less digits than its factorization.

121220332323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149346.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 121220332323 its reverse (323233022121), we get a palindrome (444453354444).

The spelling of 121220332323 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred thirty-two thousand, three hundred twenty-three".