22103032312 has 64 divisors (see below), whose sum is σ = 43687828800. Its totient is φ = 10468362240.

The previous prime is 22103032297. The next prime is 22103032331. The reversal of 22103032312 is 21323030122.

It is a self number, because there is not a number n which added to its sum of digits gives 22103032312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6126013 + ... + 6129619.

It is an arithmetic number, because the mean of its divisors is an integer number (682622325).

Almost surely, 2^22103032312 is an apocalyptic number.

It is an amenable number.

22103032312 is a deficient number, since it is larger than the sum of its proper divisors (21584796488).

22103032312 is a wasteful number, since it uses less digits than its factorization.

22103032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4132 counting only the distinct ones).

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

Adding to 22103032312 its reverse (21323030122), we get a palindrome (43426062434).

The spelling of 22103032312 in words is "twenty-two billion, one hundred three million, thirty-two thousand, three hundred twelve".