1112013120 has 224 divisors, whose sum is σ = 3719779200. Its totient is φ = 281042944.

The previous prime is 1112013107. The next prime is 1112013127. The reversal of 1112013120 is 213102111.

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

It is a junction number, because it is equal to n+sod(n) for n = 1112013096 and 1112013105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112013127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1642222 + ... + 1642898.

Almost surely, 2^1112013120 is an apocalyptic number.

1112013120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859889600).

1112013120 is an abundant number, since it is smaller than the sum of its proper divisors (2607766080).

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

1112013120 is a wasteful number, since it uses less digits than its factorization.

1112013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 775 counting only the distinct ones).

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

The square root of 1112013120 is about 33346.8607218131. The cubic root of 1112013120 is about 1036.0243679763.

Adding to 1112013120 its reverse (213102111), we get a palindrome (1325115231).

The spelling of 1112013120 in words is "one billion, one hundred twelve million, thirteen thousand, one hundred twenty".