1000222022212 has 12 divisors (see below), whose sum is σ = 2000444044480. Its totient is φ = 428666580936.

The previous prime is 1000222022209. The next prime is 1000222022221. The reversal of 1000222022212 is 2122202220001.

1000222022212 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17861107512 + ... + 17861107567.

Almost surely, 2^{1000222022212} is an apocalyptic number.

It is an amenable number.

1000222022212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1000222022212 is a wasteful number, since it uses less digits than its factorization.

1000222022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35722215090 (or 35722215088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1000222022212 its reverse (2122202220001), we get a palindrome (3122424242213).

The spelling of 1000222022212 in words is "one trillion, two hundred twenty-two million, twenty-two thousand, two hundred twelve".