1112021212 has 12 divisors (see below), whose sum is σ = 2008812736. Its totient is φ = 538074720.

The previous prime is 1112021179. The next prime is 1112021213. The reversal of 1112021212 is 2121202111.

It is a junction number, because it is equal to n+sod(n) for n = 1112021192 and 1112021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112021213) 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 3 ways as a sum of consecutive naturals, for example, 4483833 + ... + 4484080.

Almost surely, 2^1112021212 is an apocalyptic number.

It is an amenable number.

1112021212 is a deficient number, since it is larger than the sum of its proper divisors (896791524).

1112021212 is a wasteful number, since it uses less digits than its factorization.

1112021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967948 (or 8967946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1112021212 is about 33346.9820523537. The cubic root of 1112021212 is about 1036.0268809829.

Adding to 1112021212 its reverse (2121202111), we get a palindrome (3233223323).

The spelling of 1112021212 in words is "one billion, one hundred twelve million, twenty-one thousand, two hundred twelve".