22012112196 has 36 divisors (see below), whose sum is σ = 56472207792. Its totient is φ = 7227856944.

The previous prime is 22012112191. The next prime is 22012112209. The reversal of 22012112196 is 69121121022.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (22012112191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4560630 + ... + 4565453.

Almost surely, 2^22012112196 is an apocalyptic number.

It is an amenable number.

22012112196 is an abundant number, since it is smaller than the sum of its proper divisors (34460095596).

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

22012112196 is a wasteful number, since it uses less digits than its factorization.

22012112196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126160 (or 9126155 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 22012112196 in words is "twenty-two billion, twelve million, one hundred twelve thousand, one hundred ninety-six".