1112142512 has 80 divisors (see below), whose sum is σ = 2364973632. Its totient is φ = 503577600.

The previous prime is 1112142491. The next prime is 1112142541. The reversal of 1112142512 is 2152412111.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3508178 + ... + 3508494.

Almost surely, 2^1112142512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112142512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182486816).

1112142512 is an abundant number, since it is smaller than the sum of its proper divisors (1252831120).

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

1112142512 is a wasteful number, since it uses less digits than its factorization.

1112142512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 600 counting only the distinct ones).

The product of its digits is 160, while the sum is 20.

The square root of 1112142512 is about 33348.8007580483. The cubic root of 1112142512 is about 1036.0645497762.

Adding to 1112142512 its reverse (2152412111), we get a palindrome (3264554623).

The spelling of 1112142512 in words is "one billion, one hundred twelve million, one hundred forty-two thousand, five hundred twelve".