1001200200003 has 8 divisors (see below), whose sum is σ = 1483259555600. Its totient is φ = 667466799984.

The previous prime is 1001200199959. The next prime is 1001200200019. The reversal of 1001200200003 is 3000020021001.

It is a happy number.

It is not a de Polignac number, because 1001200200003 - 2⁶ = 1001200199939 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001200200083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18540744418 + ... + 18540744471.

It is an arithmetic number, because the mean of its divisors is an integer number (185407444450).

Almost surely, 2^{1001200200003} is an apocalyptic number.

1001200200003 is a deficient number, since it is larger than the sum of its proper divisors (482059355597).

1001200200003 is an equidigital number, since it uses as much as digits as its factorization.

1001200200003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37081488898 (or 37081488892 counting only the distinct ones).

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

Adding to 1001200200003 its reverse (3000020021001), we get a palindrome (4001220221004).

The spelling of 1001200200003 in words is "one trillion, one billion, two hundred million, two hundred thousand, three".