22040212112 has 20 divisors (see below), whose sum is σ = 42705324720. Its totient is φ = 11019483168.

The previous prime is 22040212099. The next prime is 22040212123. The reversal of 22040212112 is 21121204022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409523 + ... + 460205.

It is an arithmetic number, because the mean of its divisors is an integer number (2135266236).

Almost surely, 2^22040212112 is an apocalyptic number.

It is an amenable number.

22040212112 is a deficient number, since it is larger than the sum of its proper divisors (20665112608).

22040212112 is a wasteful number, since it uses less digits than its factorization.

22040212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77870 (or 77864 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22040212112 its reverse (21121204022), we get a palindrome (43161416134).

The spelling of 22040212112 in words is "twenty-two billion, forty million, two hundred twelve thousand, one hundred twelve".