22012102012 has 96 divisors (see below), whose sum is σ = 41633077248. Its totient is φ = 10167151104.

The previous prime is 22012102001. The next prime is 22012102051. The reversal of 22012102012 is 21020121022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22012101983 and 22012102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34021473 + ... + 34022119.

It is an arithmetic number, because the mean of its divisors is an integer number (433677888).

Almost surely, 2^22012102012 is an apocalyptic number.

It is an amenable number.

22012102012 is a deficient number, since it is larger than the sum of its proper divisors (19620975236).

22012102012 is a wasteful number, since it uses less digits than its factorization.

22012102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22012102012 its reverse (21020121022), we get a palindrome (43032223034).

The spelling of 22012102012 in words is "twenty-two billion, twelve million, one hundred two thousand, twelve".