2120432112 has 120 divisors (see below), whose sum is σ = 6137851200. Its totient is φ = 682836480.

The previous prime is 2120432107. The next prime is 2120432113. The reversal of 2120432112 is 2112340212.

It is a happy number.

2120432112 is a `hidden beast` number, since 2 + 120 + 432 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120432113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792537 + ... + 795207.

It is an arithmetic number, because the mean of its divisors is an integer number (51148760).

Almost surely, 2^2120432112 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 2120432112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3068925600).

2120432112 is an abundant number, since it is smaller than the sum of its proper divisors (4017419088).

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

2120432112 is a wasteful number, since it uses less digits than its factorization.

2120432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2120432112 is about 46048.1499302632. The cubic root of 2120432112 is about 1284.7189324049.

Adding to 2120432112 its reverse (2112340212), we get a palindrome (4232772324).

The spelling of 2120432112 in words is "two billion, one hundred twenty million, four hundred thirty-two thousand, one hundred twelve".