22123304412 has 48 divisors (see below), whose sum is σ = 57026726400. Its totient is φ = 6619167360.

The previous prime is 22123304407. The next prime is 22123304447. The reversal of 22123304412 is 21440332122.

It is a happy number.

It is a congruent number.

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, 1050337 + ... + 1071192.

It is an arithmetic number, because the mean of its divisors is an integer number (1188056800).

Almost surely, 2^22123304412 is an apocalyptic number.

22123304412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22123304412 is an abundant number, since it is smaller than the sum of its proper divisors (34903421988).

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

22123304412 is a wasteful number, since it uses less digits than its factorization.

22123304412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121626 (or 2121624 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22123304412 its reverse (21440332122), we get a palindrome (43563636534).

The spelling of 22123304412 in words is "twenty-two billion, one hundred twenty-three million, three hundred four thousand, four hundred twelve".