222110012012 has 72 divisors (see below), whose sum is σ = 472351751424. Its totient is φ = 90947021088.

The previous prime is 222110011997. The next prime is 222110012023. The reversal of 222110012012 is 210210011222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3970823 + ... + 4026369.

It is an arithmetic number, because the mean of its divisors is an integer number (6560440992).

Almost surely, 2^222110012012 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 222110012012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236175875712).

222110012012 is an abundant number, since it is smaller than the sum of its proper divisors (250241739412).

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

222110012012 is a wasteful number, since it uses less digits than its factorization.

222110012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56475 (or 56466 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222110012012 its reverse (210210011222), we get a palindrome (432320023234).

The spelling of 222110012012 in words is "two hundred twenty-two billion, one hundred ten million, twelve thousand, twelve".