2130120112 has 40 divisors (see below), whose sum is σ = 4267504640. Its totient is φ = 1028946240.

The previous prime is 2130120107. The next prime is 2130120119. The reversal of 2130120112 is 2110210312.

It is a junction number, because it is equal to n+sod(n) for n = 2130120092 and 2130120101.

It is not an unprimeable number, because it can be changed into a prime (2130120119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 315589 + ... + 322267.

It is an arithmetic number, because the mean of its divisors is an integer number (106687616).

Almost surely, 2^2130120112 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 2130120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133752320).

2130120112 is an abundant number, since it is smaller than the sum of its proper divisors (2137384528).

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

2130120112 is a wasteful number, since it uses less digits than its factorization.

2130120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361 (or 7355 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2130120112 is about 46153.2242860669. The cubic root of 2130120112 is about 1286.6725357311.

Adding to 2130120112 its reverse (2110210312), we get a palindrome (4240330424).

The spelling of 2130120112 in words is "two billion, one hundred thirty million, one hundred twenty thousand, one hundred twelve".