12333121 has 4 divisors (see below), whose sum is σ = 12354244. Its totient is φ = 12312000.

The previous prime is 12333107. The next prime is 12333127. The reversal of 12333121 is 12133321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9235521 + 3097600 = 3039^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 12333121 - 2⁵ = 12333089 is a prime.

It is a super-3 number, since 3×12333121³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12333095 and 12333104.

It is not an unprimeable number, because it can be changed into a prime (12333127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9660 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (3088561).

Almost surely, 2^12333121 is an apocalyptic number.

It is an amenable number.

12333121 is a deficient number, since it is larger than the sum of its proper divisors (21123).

12333121 is an equidigital number, since it uses as much as digits as its factorization.

12333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122.

The product of its digits is 108, while the sum is 16.

The square root of 12333121 is about 3511.8543534720. The cubic root of 12333121 is about 231.0420330425.

Adding to 12333121 its reverse (12133321), we get a palindrome (24466442).

The spelling of 12333121 in words is "twelve million, three hundred thirty-three thousand, one hundred twenty-one".