2001132132 has 12 divisors (see below), whose sum is σ = 4669308336. Its totient is φ = 667044040.

The previous prime is 2001132103. The next prime is 2001132139. The reversal of 2001132132 is 2312311002.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2001132139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83380494 + ... + 83380517.

It is an arithmetic number, because the mean of its divisors is an integer number (389109028).

Almost surely, 2^2001132132 is an apocalyptic number.

It is an amenable number.

2001132132 is an abundant number, since it is smaller than the sum of its proper divisors (2668176204).

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

2001132132 is a wasteful number, since it uses less digits than its factorization.

2001132132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166761018 (or 166761016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2001132132 is about 44734.0153797980. The cubic root of 2001132132 is about 1260.1587378745.

Adding to 2001132132 its reverse (2312311002), we get a palindrome (4313443134).

The spelling of 2001132132 in words is "two billion, one million, one hundred thirty-two thousand, one hundred thirty-two".