22112012102212 has 48 divisors (see below), whose sum is σ = 39716440694784. Its totient is φ = 10768248036000.

The previous prime is 22112012102197. The next prime is 22112012102221. The reversal of 22112012102212 is 21220121021122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112012102212.

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 15 ways as a sum of consecutive naturals, for example, 623013787 + ... + 623049277.

It is an arithmetic number, because the mean of its divisors is an integer number (827425847808).

Almost surely, 2^{22112012102212} is an apocalyptic number.

It is an amenable number.

22112012102212 is a deficient number, since it is larger than the sum of its proper divisors (17604428592572).

22112012102212 is a wasteful number, since it uses less digits than its factorization.

22112012102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62080 (or 62078 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112012102212 its reverse (21220121021122), we get a palindrome (43332133123334).

The spelling of 22112012102212 in words is "twenty-two trillion, one hundred twelve billion, twelve million, one hundred two thousand, two hundred twelve".