1000322222312 has 64 divisors (see below), whose sum is σ = 2166226727040. Its totient is φ = 424183507200.

The previous prime is 1000322222297. The next prime is 1000322222359. The reversal of 1000322222312 is 2132222230001.

It is a happy number.

It is a super-3 number, since 3×1000322222312³ (a number of 37 digits) contains 333 as substring.

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, 4817762 + ... + 5021102.

It is an arithmetic number, because the mean of its divisors is an integer number (33847292610).

Almost surely, 2^{1000322222312} 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 1000322222312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083113363520).

1000322222312 is an abundant number, since it is smaller than the sum of its proper divisors (1165904504728).

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

1000322222312 is a wasteful number, since it uses less digits than its factorization.

1000322222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204282 (or 204278 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1000322222312 its reverse (2132222230001), we get a palindrome (3132544452313).

The spelling of 1000322222312 in words is "one trillion, three hundred twenty-two million, two hundred twenty-two thousand, three hundred twelve".