2421212 has 12 divisors (see below), whose sum is σ = 4307016. Its totient is φ = 1190640.

The previous prime is 2421203. The next prime is 2421229. The reversal of 2421212 is 2121242.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (358918).

2^2421212 is an apocalyptic number.

It is an amenable number.

2421212 is a deficient number, since it is larger than the sum of its proper divisors (1885804).

2421212 is a wasteful number, since it uses less digits than its factorization.

2421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988 (or 9986 counting only the distinct ones).

The product of its digits is 64, while the sum is 14.

The square root of 2421212 is about 1556.0244214022. The cubic root of 2421212 is about 134.2798783814.

Adding to 2421212 its reverse (2121242), we get a palindrome (4542454).

The spelling of 2421212 in words is "two million, four hundred twenty-one thousand, two hundred twelve".