22210012012 has 48 divisors (see below), whose sum is σ = 39712847328. Its totient is φ = 10866769920.

The previous prime is 22210011983. The next prime is 22210012021. The reversal of 22210012012 is 21021001222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22210011983 and 22210012001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16318212 + ... + 16319572.

It is an arithmetic number, because the mean of its divisors is an integer number (827350986).

Almost surely, 2^22210012012 is an apocalyptic number.

It is an amenable number.

22210012012 is a deficient number, since it is larger than the sum of its proper divisors (17502835316).

22210012012 is a wasteful number, since it uses less digits than its factorization.

22210012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1904 counting only the distinct ones).

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

Adding to 22210012012 its reverse (21021001222), we get a palindrome (43231013234).

The spelling of 22210012012 in words is "twenty-two billion, two hundred ten million, twelve thousand, twelve".