4212243 has 80 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 2052864.

The previous prime is 4212239. The next prime is 4212251. The reversal of 4212243 is 3422124.

4212243 is a `hidden beast` number, since 421 + 2 + 243 = 666.

It is not a de Polignac number, because 4212243 - 2² = 4212239 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 183130 + ... + 183152.

It is an arithmetic number, because the mean of its divisors is an integer number (104544).

Almost surely, 2^4212243 is an apocalyptic number.

4212243 is a deficient number, since it is larger than the sum of its proper divisors (4151277).

4212243 is a wasteful number, since it uses less digits than its factorization.

4212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 69 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 4212243 is about 2052.3749657409. The cubic root of 4212243 is about 161.4994840025.

Adding to 4212243 its reverse (3422124), we get a palindrome (7634367).

The spelling of 4212243 in words is "four million, two hundred twelve thousand, two hundred forty-three".