4121212 has 12 divisors (see below), whose sum is σ = 7280280. Its totient is φ = 2041136.

The previous prime is 4121203. The next prime is 4121213. The reversal of 4121212 is 2121214.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

4121212 is a modest number, since divided by 1212 gives 412 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4121192 and 4121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121213) 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, 4387 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (606690).

Almost surely, 2^4121212 is an apocalyptic number.

It is an amenable number.

4121212 is a deficient number, since it is larger than the sum of its proper divisors (3159068).

4121212 is a wasteful number, since it uses less digits than its factorization.

4121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9740 (or 9738 counting only the distinct ones).

The product of its digits is 32, while the sum is 13.

The square root of 4121212 is about 2030.0768458361. The cubic root of 4121212 is about 160.3276099903.

Adding to 4121212 its reverse (2121214), we get a palindrome (6242426).

The spelling of 4121212 in words is "four million, one hundred twenty-one thousand, two hundred twelve".