2112992112 has 120 divisors (see below), whose sum is σ = 6927092352. Its totient is φ = 548822400.

The previous prime is 2112992099. The next prime is 2112992143.

2112992112 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2112992112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14964 + ... + 66707.

Almost surely, 2^2112992112 is an apocalyptic number.

2112992112 is a gapful number since it is divisible by the number (22) 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 2112992112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3463546176).

2112992112 is an abundant number, since it is smaller than the sum of its proper divisors (4814100240).

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

2112992112 is a wasteful number, since it uses less digits than its factorization.

2112992112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81707 (or 81694 counting only the distinct ones).

The product of its digits is 1296, while the sum is 30.

The square root of 2112992112 is about 45967.2939381904. The cubic root of 2112992112 is about 1283.2145991160.

The spelling of 2112992112 in words is "two billion, one hundred twelve million, nine hundred ninety-two thousand, one hundred twelve".