2112003432 has 192 divisors, whose sum is σ = 7551273600. Its totient is φ = 516280320.

The previous prime is 2112003419. The next prime is 2112003457. The reversal of 2112003432 is 2343002112.

2112003432 is a `hidden beast` number, since 211 + 20 + 0 + 3 + 432 = 666.

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

2112003432 is a modest number, since divided by 3432 gives 2112 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83044 + ... + 105452.

It is an arithmetic number, because the mean of its divisors is an integer number (39329550).

Almost surely, 2^2112003432 is an apocalyptic number.

2112003432 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 2112003432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3775636800).

2112003432 is an abundant number, since it is smaller than the sum of its proper divisors (5439270168).

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

2112003432 is a wasteful number, since it uses less digits than its factorization.

2112003432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22456 (or 22449 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2112003432 is about 45956.5385119463. The cubic root of 2112003432 is about 1283.0144269637.

Adding to 2112003432 its reverse (2343002112), we get a palindrome (4455005544).

The spelling of 2112003432 in words is "two billion, one hundred twelve million, three thousand, four hundred thirty-two".