2003021311200 has 288 divisors, whose sum is σ = 8024412404736. Its totient is φ = 422615439360.

The previous prime is 2003021311169. The next prime is 2003021311201. The reversal of 2003021311200 is 21131203002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2003021311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003021311201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4367272 + ... + 4804071.

It is an arithmetic number, because the mean of its divisors is an integer number (27862543072).

Almost surely, 2^{2003021311200} is an apocalyptic number.

2003021311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003021311200 is an abundant number, since it is smaller than the sum of its proper divisors (6021391093536).

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

2003021311200 is a wasteful number, since it uses less digits than its factorization.

2003021311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171386 (or 9171373 counting only the distinct ones).

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

Adding to 2003021311200 its reverse (21131203002), we get a palindrome (2024152514202).

The spelling of 2003021311200 in words is "two trillion, three billion, twenty-one million, three hundred eleven thousand, two hundred".