2192120112 has 160 divisors (see below), whose sum is σ = 7195095040. Its totient is φ = 559457280.

The previous prime is 2192120053. The next prime is 2192120113. The reversal of 2192120112 is 2110212912.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2192120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127314 + ... + 143502.

It is an arithmetic number, because the mean of its divisors is an integer number (44969344).

Almost surely, 2^2192120112 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 2192120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597547520).

2192120112 is an abundant number, since it is smaller than the sum of its proper divisors (5002974928).

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

2192120112 is a wasteful number, since it uses less digits than its factorization.

2192120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16251 (or 16245 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2192120112 is about 46820.0823578942. The cubic root of 2192120112 is about 1299.0367839312.

The spelling of 2192120112 in words is "two billion, one hundred ninety-two million, one hundred twenty thousand, one hundred twelve".