12216333 has 8 divisors (see below), whose sum is σ = 16312896. Its totient is φ = 8132000.

The previous prime is 12216313. The next prime is 12216349. The reversal of 12216333 is 33361221.

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 12216333 - 2⁵ = 12216301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12216313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (2039112).

Almost surely, 2^12216333 is an apocalyptic number.

It is an amenable number.

12216333 is a deficient number, since it is larger than the sum of its proper divisors (4096563).

12216333 is an equidigital number, since it uses as much as digits as its factorization.

12216333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115.

The product of its digits is 648, while the sum is 21.

The square root of 12216333 is about 3495.1871194544. The cubic root of 12216333 is about 230.3104377673.

Adding to 12216333 its reverse (33361221), we get a palindrome (45577554).

The spelling of 12216333 in words is "twelve million, two hundred sixteen thousand, three hundred thirty-three".