2001012031200 has 576 divisors, whose sum is σ = 8274982367232. Its totient is φ = 408571084800.

The previous prime is 2001012031199. The next prime is 2001012031211. The reversal of 2001012031200 is 21302101002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6622624 + ... + 6918176.

It is an arithmetic number, because the mean of its divisors is an integer number (14366288832).

Almost surely, 2^{2001012031200} is an apocalyptic number.

2001012031200 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 2001012031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137491183616).

2001012031200 is an abundant number, since it is smaller than the sum of its proper divisors (6273970336032).

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

2001012031200 is a wasteful number, since it uses less digits than its factorization.

2001012031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295627 (or 295614 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2001012031200 its reverse (21302101002), we get a palindrome (2022314132202).

The spelling of 2001012031200 in words is "two trillion, one billion, twelve million, thirty-one thousand, two hundred".