242412213 has 16 divisors (see below), whose sum is σ = 331575552. Its totient is φ = 157440000.

The previous prime is 242412193. The next prime is 242412217. The reversal of 242412213 is 312214242.

It is not a de Polignac number, because 242412213 - 2¹⁰ = 242411189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242412213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242412217) 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 15 ways as a sum of consecutive naturals, for example, 150613 + ... + 152213.

It is an arithmetic number, because the mean of its divisors is an integer number (20723472).

Almost surely, 2^242412213 is an apocalyptic number.

It is an amenable number.

242412213 is a deficient number, since it is larger than the sum of its proper divisors (89163339).

242412213 is a wasteful number, since it uses less digits than its factorization.

242412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its digits is 768, while the sum is 21.

The square root of 242412213 is about 15569.5925765577. The cubic root of 242412213 is about 623.5215940896.

Adding to 242412213 its reverse (312214242), we get a palindrome (554626455).

The spelling of 242412213 in words is "two hundred forty-two million, four hundred twelve thousand, two hundred thirteen".