2012018 has 18 divisors (see below), whose sum is σ = 3261261. Its totient is φ = 930784.

The previous prime is 2012011. The next prime is 2012027. The reversal of 2012018 is 8102102.

It can be written as a sum of positive squares in 2 ways, for example, as 1841449 + 170569 = 1357^2 + 413^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1003.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011993 and 2012011.

It is not an unprimeable number, because it can be changed into a prime (2012011) 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 8 ways as a sum of consecutive naturals, for example, 34073 + ... + 34131.

2^2012018 is an apocalyptic number.

2012018 is a deficient number, since it is larger than the sum of its proper divisors (1249243).

2012018 is an equidigital number, since it uses as much as digits as its factorization.

2012018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2012018 is about 1418.4562030602. The cubic root of 2012018 is about 126.2439633751.

Multiplying 2012018 by its product of nonzero digits (32), we get a square (64384576 = 8024²).

The spelling of 2012018 in words is "two million, twelve thousand, eighteen".