222003101312 has 64 divisors (see below), whose sum is σ = 445023707040. Its totient is φ = 110312186880.

The previous prime is 222003101293. The next prime is 222003101339. The reversal of 222003101312 is 213101300222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×222003101312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24480203 + ... + 24489269.

Almost surely, 2^222003101312 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 222003101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222511853520).

222003101312 is an abundant number, since it is smaller than the sum of its proper divisors (223020605728).

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

222003101312 is an equidigital number, since it uses as much as digits as its factorization.

222003101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249 (or 10237 counting only the distinct ones).

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

Adding to 222003101312 its reverse (213101300222), we get a palindrome (435104401534).

The spelling of 222003101312 in words is "two hundred twenty-two billion, three million, one hundred one thousand, three hundred twelve".