2103001200000 has 288 divisors, whose sum is σ = 7564035089520. Its totient is φ = 560799360000.

The previous prime is 2103001199969. The next prime is 2103001200023. The reversal of 2103001200000 is 21003012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×2103001200000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3307917 + ... + 3892083.

Almost surely, 2^{2103001200000} is an apocalyptic number.

2103001200000 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 2103001200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3782017544760).

2103001200000 is an abundant number, since it is smaller than the sum of its proper divisors (5461033889520).

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

2103001200000 is an frugal number, since it uses more digits than its factorization.

2103001200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584212 (or 584177 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 2103001200000 its reverse (21003012), we get a palindrome (2103022203012).

The spelling of 2103001200000 in words is "two trillion, one hundred three billion, one million, two hundred thousand".