22123303012 has 12 divisors (see below), whose sum is σ = 38718070636. Its totient is φ = 11060997120.

The previous prime is 22123303003. The next prime is 22123303031. The reversal of 22123303012 is 21030332122.

It can be written as a sum of positive squares in 2 ways, for example, as 3209902336 + 18913400676 = 56656^2 + 137526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83133 + ... + 226180.

Almost surely, 2^22123303012 is an apocalyptic number.

It is an amenable number.

22123303012 is a deficient number, since it is larger than the sum of its proper divisors (16594767624).

22123303012 is a wasteful number, since it uses less digits than its factorization.

22123303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327198 (or 327196 counting only the distinct ones).

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

Adding to 22123303012 its reverse (21030332122), we get a palindrome (43153635134).

The spelling of 22123303012 in words is "twenty-two billion, one hundred twenty-three million, three hundred three thousand, twelve".