4012212 has 24 divisors (see below), whose sum is σ = 9769536. Its totient is φ = 1279168.

The previous prime is 4012207. The next prime is 4012213. The reversal of 4012212 is 2122104.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012213) 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, 6993 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (407064).

Almost surely, 2^4012212 is an apocalyptic number.

It is an amenable number.

4012212 is an abundant number, since it is smaller than the sum of its proper divisors (5757324).

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

4012212 is a wasteful number, since it uses less digits than its factorization.

4012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14567 (or 14565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 4012212 is about 2003.0506733480. The cubic root of 4012212 is about 158.9014855903.

Adding to 4012212 its reverse (2122104), we get a palindrome (6134316).

It can be divided in two parts, 4012 and 212, that added together give a palindrome (4224).

The spelling of 4012212 in words is "four million, twelve thousand, two hundred twelve".