2012443 has 8 divisors (see below), whose sum is σ = 2181168. Its totient is φ = 1849344.

The previous prime is 2012429. The next prime is 2012447. The reversal of 2012443 is 3442102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012443 - 2¹³ = 2004251 is a prime.

2012443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2012447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (272646).

2^2012443 is an apocalyptic number.

2012443 is a deficient number, since it is larger than the sum of its proper divisors (168725).

2012443 is a wasteful number, since it uses less digits than its factorization.

2012443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2012443 is about 1418.6060059086. The cubic root of 2012443 is about 126.2528516168.

Adding to 2012443 its reverse (3442102), we get a palindrome (5454545).

The spelling of 2012443 in words is "two million, twelve thousand, four hundred forty-three".