223321003312212 has 144 divisors (see below), whose sum is σ = 627909886636032. Its totient is φ = 66458376529920.

The previous prime is 223321003312207. The next prime is 223321003312219. The reversal of 223321003312212 is 212213300123322.

223321003312212 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 2 + 100 + 331 + 221 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223321003312219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20084733 + ... + 29155419.

Almost surely, 2^{223321003312212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223321003312212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313954943318016).

223321003312212 is an abundant number, since it is smaller than the sum of its proper divisors (404588883323820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223321003312212 is a wasteful number, since it uses less digits than its factorization.

223321003312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072438 (or 9072433 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 223321003312212 its reverse (212213300123322), we get a palindrome (435534303435534).

The spelling of 223321003312212 in words is "two hundred twenty-three trillion, three hundred twenty-one billion, three million, three hundred twelve thousand, two hundred twelve".