12221112330233 has 4 divisors (see below), whose sum is σ = 12221126522868. Its totient is φ = 12221098137600.

The previous prime is 12221112330223. The next prime is 12221112330239. The reversal of 12221112330233 is 33203321112221.

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 11137758179584 + 1083354150649 = 3337328^2 + 1040843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221112330233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221112330239) 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, 5715068 + ... + 7556733.

It is an arithmetic number, because the mean of its divisors is an integer number (3055281630717).

Almost surely, 2^{12221112330233} is an apocalyptic number.

It is an amenable number.

12221112330233 is a deficient number, since it is larger than the sum of its proper divisors (14192635).

12221112330233 is an equidigital number, since it uses as much as digits as its factorization.

12221112330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192634.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12221112330233 its reverse (33203321112221), we get a palindrome (45424433442454).

The spelling of 12221112330233 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, three hundred thirty thousand, two hundred thirty-three".