22112000012 has 6 divisors (see below), whose sum is σ = 38696000028. Its totient is φ = 11056000004.

The previous prime is 22111999997. The next prime is 22112000033. The reversal of 22112000012 is 21000021122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22111999957 and 22112000002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763999998 + ... + 2764000005.

It is an arithmetic number, because the mean of its divisors is an integer number (6449333338).

Almost surely, 2^22112000012 is an apocalyptic number.

It is an amenable number.

22112000012 is a deficient number, since it is larger than the sum of its proper divisors (16584000016).

22112000012 is a wasteful number, since it uses less digits than its factorization.

22112000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528000007 (or 5528000005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22112000012 its reverse (21000021122), we get a palindrome (43112021134).

The spelling of 22112000012 in words is "twenty-two billion, one hundred twelve million, twelve", and thus it is an aban number.