22103203312 has 20 divisors (see below), whose sum is σ = 43820887000. Its totient is φ = 10794587328.

The previous prime is 22103203307. The next prime is 22103203351. The reversal of 22103203312 is 21330230122.

It is a self number, because there is not a number n which added to its sum of digits gives 22103203312.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 16062687 + ... + 16064062.

It is an arithmetic number, because the mean of its divisors is an integer number (2191044350).

Almost surely, 2^22103203312 is an apocalyptic number.

It is an amenable number.

22103203312 is a deficient number, since it is larger than the sum of its proper divisors (21717683688).

22103203312 is a wasteful number, since it uses less digits than its factorization.

22103203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32126800 (or 32126794 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22103203312 its reverse (21330230122), we get a palindrome (43433433434).

The spelling of 22103203312 in words is "twenty-two billion, one hundred three million, two hundred three thousand, three hundred twelve".