4042212 has 24 divisors (see below), whose sum is σ = 9928800. Its totient is φ = 1276416.

The previous prime is 4042211. The next prime is 4042217. The reversal of 4042212 is 2122404.

It is a junction number, because it is equal to n+sod(n) for n = 4042191 and 4042200.

It is not an unprimeable number, because it can be changed into a prime (4042211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8637 + ... + 9092.

It is an arithmetic number, because the mean of its divisors is an integer number (413700).

Almost surely, 2^4042212 is an apocalyptic number.

It is an amenable number.

4042212 is an abundant number, since it is smaller than the sum of its proper divisors (5886588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042212 is a wasteful number, since it uses less digits than its factorization.

4042212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17755 (or 17753 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4042212 is about 2010.5253044913. The cubic root of 4042212 is about 159.2965471624.

Adding to 4042212 its reverse (2122404), we get a palindrome (6164616).

The spelling of 4042212 in words is "four million, forty-two thousand, two hundred twelve".