222013321312 has 96 divisors (see below), whose sum is σ = 487562755680. Its totient is φ = 98895790080.

The previous prime is 222013321303. The next prime is 222013321339. The reversal of 222013321312 is 213123310222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13397512 + ... + 13414072.

It is an arithmetic number, because the mean of its divisors is an integer number (5078778705).

Almost surely, 2^222013321312 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 222013321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243781377840).

222013321312 is an abundant number, since it is smaller than the sum of its proper divisors (265549434368).

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

222013321312 is a wasteful number, since it uses less digits than its factorization.

222013321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17904 (or 17896 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222013321312 its reverse (213123310222), we get a palindrome (435136631534).

The spelling of 222013321312 in words is "two hundred twenty-two billion, thirteen million, three hundred twenty-one thousand, three hundred twelve".