222321013012 has 96 divisors (see below), whose sum is σ = 495994464000. Its totient is φ = 85027138560.

The previous prime is 222321012967. The next prime is 222321013021. The reversal of 222321013012 is 210310123222.

222321013012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 456814 + ... + 808282.

It is an arithmetic number, because the mean of its divisors is an integer number (5166609000).

Almost surely, 2^222321013012 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 222321013012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247997232000).

222321013012 is an abundant number, since it is smaller than the sum of its proper divisors (273673450988).

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

222321013012 is a wasteful number, since it uses less digits than its factorization.

222321013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351569 (or 351567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222321013012 its reverse (210310123222), we get a palindrome (432631136234).

The spelling of 222321013012 in words is "two hundred twenty-two billion, three hundred twenty-one million, thirteen thousand, twelve".