121220200011323 has 8 divisors (see below), whose sum is σ = 139882394466048. Its totient is φ = 102894261312744.

The previous prime is 121220200011301. The next prime is 121220200011349. The reversal of 121220200011323 is 323110002022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121220200011323 - 2¹² = 121220200007227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121220200011295 and 121220200011304.

It is not an unprimeable number, because it can be changed into a prime (121220200011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84063938261 + ... + 84063939702.

It is an arithmetic number, because the mean of its divisors is an integer number (17485299308256).

Almost surely, 2^{121220200011323} is an apocalyptic number.

121220200011323 is a deficient number, since it is larger than the sum of its proper divisors (18662194454725).

121220200011323 is a wasteful number, since it uses less digits than its factorization.

121220200011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168127878073.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121220200011323 its reverse (323110002022121), we get a palindrome (444330202033444).

The spelling of 121220200011323 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred million, eleven thousand, three hundred twenty-three".