12223033333221 has 4 divisors (see below), whose sum is σ = 16297377777632. Its totient is φ = 8148688888812.

The previous prime is 12223033333219. The next prime is 12223033333223. The reversal of 12223033333221 is 12233333032221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12223033333219) and next prime (12223033333223).

It is not a de Polignac number, because 12223033333221 - 2¹ = 12223033333219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223033333223) 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, 2037172222201 + ... + 2037172222206.

It is an arithmetic number, because the mean of its divisors is an integer number (4074344444408).

Almost surely, 2^{12223033333221} is an apocalyptic number.

It is an amenable number.

12223033333221 is a deficient number, since it is larger than the sum of its proper divisors (4074344444411).

12223033333221 is an equidigital number, since it uses as much as digits as its factorization.

12223033333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074344444410.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 12223033333221 its reverse (12233333032221), we get a palindrome (24456366365442).

The spelling of 12223033333221 in words is "twelve trillion, two hundred twenty-three billion, thirty-three million, three hundred thirty-three thousand, two hundred twenty-one".