22112000020012 has 12 divisors (see below), whose sum is σ = 44224000040080. Its totient is φ = 9476571437136.

The previous prime is 22112000020007. The next prime is 22112000020013. The reversal of 22112000020012 is 21002000021122.

It is a happy number.

22112000020012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22112000019974 and 22112000020001.

It is not an unprimeable number, because it can be changed into a prime (22112000020013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 394857143187 + ... + 394857143242.

Almost surely, 2^{22112000020012} is an apocalyptic number.

It is an amenable number.

22112000020012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22112000020012 is a wasteful number, since it uses less digits than its factorization.

22112000020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789714286440 (or 789714286438 counting only the distinct ones).

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

Adding to 22112000020012 its reverse (21002000021122), we get a palindrome (43114000041134).

The spelling of 22112000020012 in words is "twenty-two trillion, one hundred twelve billion, twenty thousand, twelve".