2001031232200 has 576 divisors, whose sum is σ = 6428143572480. Its totient is φ = 563442739200.

The previous prime is 2001031232171. The next prime is 2001031232243. The reversal of 2001031232200 is 22321301002.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 103493734 + ... + 103513066.

It is an arithmetic number, because the mean of its divisors is an integer number (11159971480).

Almost surely, 2^{2001031232200} is an apocalyptic number.

2001031232200 is a gapful number since it is divisible by the number (20) 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 2001031232200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214071786240).

2001031232200 is an abundant number, since it is smaller than the sum of its proper divisors (4427112340280).

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

2001031232200 is a wasteful number, since it uses less digits than its factorization.

2001031232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19438 (or 19418 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2001031232200 its reverse (22321301002), we get a palindrome (2023352533202).

The spelling of 2001031232200 in words is "two trillion, one billion, thirty-one million, two hundred thirty-two thousand, two hundred".