2103001200 has 90 divisors (see below), whose sum is σ = 7298010824. Its totient is φ = 560799360.

The previous prime is 2103001193. The next prime is 2103001213. The reversal of 2103001200 is 21003012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (90).

It is a super-2 number, since 2×2103001200² = 8845228094402880000, which 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 polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 288484 + ... + 295683.

Almost surely, 2^2103001200 is an apocalyptic number.

2103001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103001200 is an abundant number, since it is smaller than the sum of its proper divisors (5195009624).

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

2103001200 is a wasteful number, since it uses less digits than its factorization.

2103001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584191 (or 584177 counting only the distinct ones).

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

The square root of 2103001200 is about 45858.4910349218. The cubic root of 2103001200 is about 1281.1889181271.

Adding to 2103001200 its reverse (21003012), we get a palindrome (2124004212).

The spelling of 2103001200 in words is "two billion, one hundred three million, one thousand, two hundred".