242213212 has 36 divisors (see below), whose sum is σ = 453043584. Its totient is φ = 113282560.

The previous prime is 242213203. The next prime is 242213219. The reversal of 242213212 is 212312242.

It is a self number, because there is not a number n which added to its sum of digits gives 242213212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242213219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220248 + ... + 221344.

It is an arithmetic number, because the mean of its divisors is an integer number (12584544).

Almost surely, 2^242213212 is an apocalyptic number.

It is an amenable number.

242213212 is a deficient number, since it is larger than the sum of its proper divisors (210830372).

242213212 is a wasteful number, since it uses less digits than its factorization.

242213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1307 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 242213212 is about 15563.2005705767. The cubic root of 242213212 is about 623.3509269598.

Adding to 242213212 its reverse (212312242), we get a palindrome (454525454).

The spelling of 242213212 in words is "two hundred forty-two million, two hundred thirteen thousand, two hundred twelve".