2012042 has 4 divisors (see below), whose sum is σ = 3018066. Its totient is φ = 1006020.

The previous prime is 2012033. The next prime is 2012047. The reversal of 2012042 is 2402102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 687241 = 1151^2 + 829^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2012047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503009 + ... + 503012.

2^2012042 is an apocalyptic number.

2012042 is a deficient number, since it is larger than the sum of its proper divisors (1006024).

2012042 is a wasteful number, since it uses less digits than its factorization.

2012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006023.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2012042 is about 1418.4646629367. The cubic root of 2012042 is about 126.2444653326.

Adding to 2012042 its reverse (2402102), we get a palindrome (4414144).

The spelling of 2012042 in words is "two million, twelve thousand, forty-two".