4181212 has 24 divisors (see below), whose sum is σ = 8507520. Its totient is φ = 1760880.

The previous prime is 4181209. The next prime is 4181213. The reversal of 4181212 is 2121814.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4181212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181213) 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, 387 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (354480).

Almost surely, 2^4181212 is an apocalyptic number.

It is an amenable number.

4181212 is an abundant number, since it is smaller than the sum of its proper divisors (4326308).

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

4181212 is a wasteful number, since it uses less digits than its factorization.

4181212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2599 counting only the distinct ones).

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

The square root of 4181212 is about 2044.8012128322. The cubic root of 4181212 is about 161.1019248384.

The spelling of 4181212 in words is "four million, one hundred eighty-one thousand, two hundred twelve".