212211212242 has 8 divisors (see below), whose sum is σ = 323067815856. Its totient is φ = 104521940292.

The previous prime is 212211212207. The next prime is 212211212243. The reversal of 212211212242 is 242212112212.

212211212242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212211212243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791832748 + ... + 791833015.

It is an arithmetic number, because the mean of its divisors is an integer number (40383476982).

Almost surely, 2^212211212242 is an apocalyptic number.

212211212242 is a deficient number, since it is larger than the sum of its proper divisors (110856603614).

212211212242 is a wasteful number, since it uses less digits than its factorization.

212211212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583665832.

The product of its digits is 512, while the sum is 22.

Adding to 212211212242 its reverse (242212112212), we get a palindrome (454423324454).

The spelling of 212211212242 in words is "two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, two hundred forty-two".