22200211212 has 24 divisors (see below), whose sum is σ = 52573636416. Its totient is φ = 7289621328.

The previous prime is 22200211199. The next prime is 22200211223. The reversal of 22200211212 is 21211200222.

It is a junction number, because it is equal to n+sod(n) for n = 22200211191 and 22200211200.

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 7 ways as a sum of consecutive naturals, for example, 13805298 + ... + 13806905.

It is an arithmetic number, because the mean of its divisors is an integer number (2190568184).

Almost surely, 2^22200211212 is an apocalyptic number.

It is an amenable number.

22200211212 is an abundant number, since it is smaller than the sum of its proper divisors (30373425204).

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

22200211212 is a wasteful number, since it uses less digits than its factorization.

22200211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27612277 (or 27612275 counting only the distinct ones).

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

Adding to 22200211212 its reverse (21211200222), we get a palindrome (43411411434).

The spelling of 22200211212 in words is "twenty-two billion, two hundred million, two hundred eleven thousand, two hundred twelve".