12223310021 has 32 divisors (see below), whose sum is σ = 13878560640. Its totient is φ = 10686525696.

The previous prime is 12223310009. The next prime is 12223310027. The reversal of 12223310021 is 12001332221.

It is a cyclic number.

It is not a de Polignac number, because 12223310021 - 2²² = 12219115717 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 (12223310027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6995870 + ... + 6997616.

It is an arithmetic number, because the mean of its divisors is an integer number (433705020).

Almost surely, 2^12223310021 is an apocalyptic number.

It is an amenable number.

12223310021 is a deficient number, since it is larger than the sum of its proper divisors (1655250619).

12223310021 is a wasteful number, since it uses less digits than its factorization.

12223310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12223310021 its reverse (12001332221), we get a palindrome (24224642242).

The spelling of 12223310021 in words is "twelve billion, two hundred twenty-three million, three hundred ten thousand, twenty-one".