1112222122012 has 24 divisors (see below), whose sum is σ = 1954001663712. Its totient is φ = 553939982400.

The previous prime is 1112222121973. The next prime is 1112222122079. The reversal of 1112222122012 is 2102212222111.

It is a congruent number.

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, 593937 + ... + 1605367.

It is an arithmetic number, because the mean of its divisors is an integer number (81416735988).

Almost surely, 2^{1112222122012} is an apocalyptic number.

It is an amenable number.

1112222122012 is a deficient number, since it is larger than the sum of its proper divisors (841779541700).

1112222122012 is a wasteful number, since it uses less digits than its factorization.

1112222122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012509 (or 1012507 counting only the distinct ones).

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

Adding to 1112222122012 its reverse (2102212222111), we get a palindrome (3214434344123).

The spelling of 1112222122012 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, twelve".