1000222202112 has 144 divisors (see below), whose sum is σ = 3045550515840. Its totient is φ = 285476438016.

The previous prime is 1000222202099. The next prime is 1000222202173. The reversal of 1000222202112 is 2112022220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000222202091 and 1000222202100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025714 + ... + 5220942.

It is an arithmetic number, because the mean of its divisors is an integer number (21149656360).

Almost surely, 2^{1000222202112} is an apocalyptic number.

1000222202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000222202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522775257920).

1000222202112 is an abundant number, since it is smaller than the sum of its proper divisors (2045328313728).

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

1000222202112 is an equidigital number, since it uses as much as digits as its factorization.

1000222202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196208 (or 196194 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1000222202112 its reverse (2112022220001), we get a palindrome (3112244422113).

The spelling of 1000222202112 in words is "one trillion, two hundred twenty-two million, two hundred two thousand, one hundred twelve".