2001451204000 has 96 divisors (see below), whose sum is σ = 4918876574976. Its totient is φ = 800367059200.

The previous prime is 2001451203989. The next prime is 2001451204003. The reversal of 2001451204000 is 4021541002.

It is not an unprimeable number, because it can be changed into a prime (2001451204003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15387237 + ... + 15516763.

It is an arithmetic number, because the mean of its divisors is an integer number (51238297656).

Almost surely, 2^{2001451204000} is an apocalyptic number.

2001451204000 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 2001451204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459438287488).

2001451204000 is an abundant number, since it is smaller than the sum of its proper divisors (2917425370976).

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

2001451204000 is a wasteful number, since it uses less digits than its factorization.

2001451204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133415 (or 133397 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 2001451204000 its reverse (4021541002), we get a palindrome (2005472745002).

The spelling of 2001451204000 in words is "two trillion, one billion, four hundred fifty-one million, two hundred four thousand".