2112499170 has 128 divisors (see below), whose sum is σ = 6022356480. Its totient is φ = 525634560.

The previous prime is 2112499163. The next prime is 2112499261. The reversal of 2112499170 is 719942112.

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 63 ways as a sum of consecutive naturals, for example, 250462 + ... + 258758.

It is an arithmetic number, because the mean of its divisors is an integer number (47049660).

Almost surely, 2^2112499170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112499170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3011178240).

2112499170 is an abundant number, since it is smaller than the sum of its proper divisors (3909857310).

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

2112499170 is a wasteful number, since it uses less digits than its factorization.

2112499170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2112499170 is about 45961.9317479150. The cubic root of 2112499170 is about 1283.1148038915.

The spelling of 2112499170 in words is "two billion, one hundred twelve million, four hundred ninety-nine thousand, one hundred seventy".