22102112012 has 24 divisors (see below), whose sum is σ = 41648055120. Its totient is φ = 10224704000.

The previous prime is 22102112003. The next prime is 22102112057. The reversal of 22102112012 is 21021120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750489 + ... + 2758512.

It is an arithmetic number, because the mean of its divisors is an integer number (1735335630).

Almost surely, 2^22102112012 is an apocalyptic number.

It is an amenable number.

22102112012 is a deficient number, since it is larger than the sum of its proper divisors (19545943108).

22102112012 is a wasteful number, since it uses less digits than its factorization.

22102112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509081 (or 5509079 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102112012 its reverse (21021120122), we get a palindrome (43123232134).

It can be divided in two parts, 2 and 2102112012, that multiplied together give a palindrome (4204224024).

The spelling of 22102112012 in words is "twenty-two billion, one hundred two million, one hundred twelve thousand, twelve".