4211812 has 12 divisors (see below), whose sum is σ = 8040816. Its totient is φ = 1914440.

The previous prime is 4211797. The next prime is 4211819. The reversal of 4211812 is 2181124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4211812.

It is not an unprimeable number, because it can be changed into a prime (4211819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47818 + ... + 47905.

It is an arithmetic number, because the mean of its divisors is an integer number (670068).

Almost surely, 2^4211812 is an apocalyptic number.

It is an amenable number.

4211812 is a deficient number, since it is larger than the sum of its proper divisors (3829004).

4211812 is a wasteful number, since it uses less digits than its factorization.

4211812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95738 (or 95736 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 4211812 is about 2052.2699627486. The cubic root of 4211812 is about 161.4939755634.

Adding to 4211812 its reverse (2181124), we get a palindrome (6392936).

The spelling of 4211812 in words is "four million, two hundred eleven thousand, eight hundred twelve".