22211200012 has 12 divisors (see below), whose sum is σ = 38874739176. Its totient is φ = 11104131680.

The previous prime is 22211200001. The next prime is 22211200031. The reversal of 22211200012 is 21000211222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22211199965 and 22211200001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332689 + ... + 393832.

It is an arithmetic number, because the mean of its divisors is an integer number (3239561598).

Almost surely, 2^22211200012 is an apocalyptic number.

It is an amenable number.

22211200012 is a deficient number, since it is larger than the sum of its proper divisors (16663539164).

22211200012 is a wasteful number, since it uses less digits than its factorization.

22211200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734168 (or 734166 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22211200012 its reverse (21000211222), we get a palindrome (43211411234).

The spelling of 22211200012 in words is "twenty-two billion, two hundred eleven million, two hundred thousand, twelve".