1112212012 has 24 divisors (see below), whose sum is σ = 2150469216. Its totient is φ = 500636928.

The previous prime is 1112212001. The next prime is 1112212019. The reversal of 1112212012 is 2102122111.

It is a junction number, because it is equal to n+sod(n) for n = 1112211983 and 1112212001.

It is not an unprimeable number, because it can be changed into a prime (1112212019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354003 + ... + 357130.

It is an arithmetic number, because the mean of its divisors is an integer number (89602884).

Almost surely, 2^1112212012 is an apocalyptic number.

It is an amenable number.

1112212012 is a deficient number, since it is larger than the sum of its proper divisors (1038257204).

1112212012 is a wasteful number, since it uses less digits than its factorization.

1112212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711177 (or 711175 counting only the distinct ones).

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

The square root of 1112212012 is about 33349.8427582500. The cubic root of 1112212012 is about 1036.0861312388.

Adding to 1112212012 its reverse (2102122111), we get a palindrome (3214334123).

The spelling of 1112212012 in words is "one billion, one hundred twelve million, two hundred twelve thousand, twelve".