2005012 has 12 divisors (see below), whose sum is σ = 3519936. Its totient is φ = 999320.

The previous prime is 2005001. The next prime is 2005019. The reversal of 2005012 is 2105002.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2005012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005019) 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, 1143 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

2^2005012 is an apocalyptic number.

It is an amenable number.

2005012 is a deficient number, since it is larger than the sum of its proper divisors (1514924).

2005012 is a wasteful number, since it uses less digits than its factorization.

2005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 2005012 is about 1415.9844631916. The cubic root of 2005012 is about 126.0972626017.

Subtracting from 2005012 its sum of digits (10), we obtain a palindrome (2005002).

The spelling of 2005012 in words is "two million, five thousand, twelve".