2003012 has 12 divisors (see below), whose sum is σ = 3824016. Its totient is φ = 910440.

The previous prime is 2003011. The next prime is 2003021. The reversal of 2003012 is 2103002.

It is not an unprimeable number, because it can be changed into a prime (2003011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22718 + ... + 22805.

It is an arithmetic number, because the mean of its divisors is an integer number (318668).

2^2003012 is an apocalyptic number.

2003012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2003012 is a deficient number, since it is larger than the sum of its proper divisors (1821004).

2003012 is a wasteful number, since it uses less digits than its factorization.

2003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45538 (or 45536 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2003012 is about 1415.2780645513. The cubic root of 2003012 is about 126.0553213022.

Adding to 2003012 its reverse (2103002), we get a palindrome (4106014).

The spelling of 2003012 in words is "two million, three thousand, twelve".