2003312101200 has 120 divisors (see below), whose sum is σ = 6419914771776. Its totient is φ = 533996928000.

The previous prime is 2003312101181. The next prime is 2003312101213. The reversal of 2003312101200 is 21012133002.

It is a tau number, because it is divible by the number of its divisors (120).

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 2003312101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2587245 + ... + 3271155.

Almost surely, 2^{2003312101200} is an apocalyptic number.

2003312101200 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 2003312101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3209957385888).

2003312101200 is an abundant number, since it is smaller than the sum of its proper divisors (4416602670576).

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

2003312101200 is a wasteful number, since it uses less digits than its factorization.

2003312101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686373 (or 686362 counting only the distinct ones).

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

Adding to 2003312101200 its reverse (21012133002), we get a palindrome (2024324234202).

The spelling of 2003312101200 in words is "two trillion, three billion, three hundred twelve million, one hundred one thousand, two hundred".