12333330221 has 8 divisors (see below), whose sum is σ = 13509124920. Its totient is φ = 11207569408.

The previous prime is 12333330211. The next prime is 12333330223. The reversal of 12333330221 is 12203333321.

It can be written as a sum of positive squares in 4 ways, for example, as 7717622500 + 4615707721 = 87850^2 + 67939^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12333330221 is a prime.

It is a super-2 number, since 2×12333330221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12333330223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12507956 + ... + 12508941.

It is an arithmetic number, because the mean of its divisors is an integer number (1688640615).

Almost surely, 2^12333330221 is an apocalyptic number.

It is an amenable number.

12333330221 is a deficient number, since it is larger than the sum of its proper divisors (1175794699).

12333330221 is a wasteful number, since it uses less digits than its factorization.

12333330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25016943.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12333330221 its reverse (12203333321), we get a palindrome (24536663542).

The spelling of 12333330221 in words is "twelve billion, three hundred thirty-three million, three hundred thirty thousand, two hundred twenty-one".