2012842 has 8 divisors (see below), whose sum is σ = 3251556. Its totient is φ = 928992.

The previous prime is 2012839. The next prime is 2012849. The reversal of 2012842 is 2482102.

It can be written as a sum of positive squares in 2 ways, for example, as 1929321 + 83521 = 1389^2 + 289^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2012849) 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 3 ways as a sum of consecutive naturals, for example, 38683 + ... + 38734.

2^2012842 is an apocalyptic number.

2012842 is a deficient number, since it is larger than the sum of its proper divisors (1238714).

2012842 is a wasteful number, since it uses less digits than its factorization.

2012842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77432.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2012842 is about 1418.7466299519. The cubic root of 2012842 is about 126.2611949685.

Adding to 2012842 its reverse (2482102), we get a palindrome (4494944).

The spelling of 2012842 in words is "two million, twelve thousand, eight hundred forty-two".