12110321 has 4 divisors (see below), whose sum is σ = 12121200. Its totient is φ = 12099444.

The previous prime is 12110311. The next prime is 12110327. The reversal of 12110321 is 12301121.

12110321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12110321 - 2²² = 7916017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300).

Almost surely, 2^12110321 is an apocalyptic number.

It is an amenable number.

12110321 is a deficient number, since it is larger than the sum of its proper divisors (10879).

12110321 is an equidigital number, since it uses as much as digits as its factorization.

12110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12110321 is about 3479.9886494068. The cubic root of 12110321 is about 229.6422984246.

Adding to 12110321 its reverse (12301121), we get a palindrome (24411442).

The spelling of 12110321 in words is "twelve million, one hundred ten thousand, three hundred twenty-one".