12233333211221 has 8 divisors (see below), whose sum is σ = 12658156421400. Its totient is φ = 11808708943360.

The previous prime is 12233333211199. The next prime is 12233333211233. The reversal of 12233333211221 is 12211233333221.

It can be written as a sum of positive squares in 4 ways, for example, as 2385128116996 + 9848205094225 = 1544386^2 + 3138185^2 .

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 12233333211221 - 2¹⁸ = 12233332949077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233333210221) 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, 49610456 + ... + 49856433.

It is an arithmetic number, because the mean of its divisors is an integer number (1582269552675).

Almost surely, 2^{12233333211221} is an apocalyptic number.

It is an amenable number.

12233333211221 is a deficient number, since it is larger than the sum of its proper divisors (424823210179).

12233333211221 is an equidigital number, since it uses as much as digits as its factorization.

12233333211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99471159.

The product of its digits is 7776, while the sum is 29.

Adding to 12233333211221 its reverse (12211233333221), we get a palindrome (24444566544442).

The spelling of 12233333211221 in words is "twelve trillion, two hundred thirty-three billion, three hundred thirty-three million, two hundred eleven thousand, two hundred twenty-one".