121200223 has 8 divisors (see below), whose sum is σ = 124573680. Its totient is φ = 117846720.

The previous prime is 121200181. The next prime is 121200227. The reversal of 121200223 is 322002121.

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 121200223 - 2²⁵ = 87645791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7773 + ... + 17401.

It is an arithmetic number, because the mean of its divisors is an integer number (15571710).

Almost surely, 2^121200223 is an apocalyptic number.

121200223 is a deficient number, since it is larger than the sum of its proper divisors (3373457).

121200223 is an equidigital number, since it uses as much as digits as its factorization.

121200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 121200223 is about 11009.0972836105. The cubic root of 121200223 is about 494.8814095393.

Adding to 121200223 its reverse (322002121), we get a palindrome (443202344).

The spelling of 121200223 in words is "one hundred twenty-one million, two hundred thousand, two hundred twenty-three".