201012003 has 8 divisors (see below), whose sum is σ = 297795600. Its totient is φ = 134007984.

The previous prime is 201011983. The next prime is 201012047. The reversal of 201012003 is 300210102.

It is a happy number.

It is not a de Polignac number, because 201012003 - 2⁶ = 201011939 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (201012073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722418 + ... + 3722471.

It is an arithmetic number, because the mean of its divisors is an integer number (37224450).

Almost surely, 2^201012003 is an apocalyptic number.

201012003 is a deficient number, since it is larger than the sum of its proper divisors (96783597).

201012003 is an equidigital number, since it uses as much as digits as its factorization.

201012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444898 (or 7444892 counting only the distinct ones).

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

The square root of 201012003 is about 14177.8701856097. The cubic root of 201012003 is about 585.7882601931.

Adding to 201012003 its reverse (300210102), we get a palindrome (501222105).

The spelling of 201012003 in words is "two hundred one million, twelve thousand, three".