2001230322300 has 648 divisors, whose sum is σ = 7249231800720. Its totient is φ = 457888204800.

The previous prime is 2001230322283. The next prime is 2001230322313. The reversal of 2001230322300 is 32230321002.

It is a happy number.

2001230322300 is a `hidden beast` number, since 2 + 0 + 0 + 12 + 30 + 322 + 300 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1118629806 + ... + 1118631594.

Almost surely, 2^{2001230322300} is an apocalyptic number.

2001230322300 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 2001230322300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3624615900360).

2001230322300 is an abundant number, since it is smaller than the sum of its proper divisors (5248001478420).

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

2001230322300 is a wasteful number, since it uses less digits than its factorization.

2001230322300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 2001230322300 its reverse (32230321002), we get a palindrome (2033460643302).

The spelling of 2001230322300 in words is "two trillion, one billion, two hundred thirty million, three hundred twenty-two thousand, three hundred".