12233221020221 has 4 divisors (see below), whose sum is σ = 12233229770592. Its totient is φ = 12233212269852.

The previous prime is 12233221020203. The next prime is 12233221020247. The reversal of 12233221020221 is 12202012233221.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12233221020221 - 2²² = 12233216825917 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 (12233220020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755161 + ... + 5248526.

It is an arithmetic number, because the mean of its divisors is an integer number (3058307442648).

Almost surely, 2^{12233221020221} is an apocalyptic number.

It is an amenable number.

12233221020221 is a deficient number, since it is larger than the sum of its proper divisors (8750371).

12233221020221 is an equidigital number, since it uses as much as digits as its factorization.

12233221020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750370.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12233221020221 its reverse (12202012233221), we get a palindrome (24435233253442).

The spelling of 12233221020221 in words is "twelve trillion, two hundred thirty-three billion, two hundred twenty-one million, twenty thousand, two hundred twenty-one".