1112003112 has 64 divisors (see below), whose sum is σ = 3035865600. Its totient is φ = 336623040.

The previous prime is 1112003089. The next prime is 1112003119. The reversal of 1112003112 is 2113002111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1112003119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383733 + ... + 386619.

It is an arithmetic number, because the mean of its divisors is an integer number (47435400).

Almost surely, 2^1112003112 is an apocalyptic number.

1112003112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112003112 is an abundant number, since it is smaller than the sum of its proper divisors (1923862488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112003112 is a wasteful number, since it uses less digits than its factorization.

1112003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1112003112 is about 33346.7106623727. The cubic root of 1112003112 is about 1036.0212599305.

Adding to 1112003112 its reverse (2113002111), we get a palindrome (3225005223).

The spelling of 1112003112 in words is "one billion, one hundred twelve million, three thousand, one hundred twelve".