22203221210012 has 24 divisors (see below), whose sum is σ = 39950211440832. Its totient is φ = 10790873395200.

The previous prime is 22203221209997. The next prime is 22203221210063. The reversal of 22203221210012 is 21001212230222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249744293 + ... + 249833180.

It is an arithmetic number, because the mean of its divisors is an integer number (1664592143368).

Almost surely, 2^{22203221210012} is an apocalyptic number.

It is an amenable number.

22203221210012 is a deficient number, since it is larger than the sum of its proper divisors (17746990230820).

22203221210012 is a wasteful number, since it uses less digits than its factorization.

22203221210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499577789 (or 499577787 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22203221210012 its reverse (21001212230222), we get a palindrome (43204433440234).

The spelling of 22203221210012 in words is "twenty-two trillion, two hundred three billion, two hundred twenty-one million, two hundred ten thousand, twelve".