212412320242 has 8 divisors (see below), whose sum is σ = 319951612800. Its totient is φ = 105761782644.

The previous prime is 212412320221. The next prime is 212412320293. The reversal of 212412320242 is 242023214212.

212412320242 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 an unprimeable number.

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, 222188142 + ... + 222189097.

It is an arithmetic number, because the mean of its divisors is an integer number (39993951600).

Almost surely, 2^212412320242 is an apocalyptic number.

212412320242 is a deficient number, since it is larger than the sum of its proper divisors (107539292558).

212412320242 is a wasteful number, since it uses less digits than its factorization.

212412320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444377480.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212412320242 its reverse (242023214212), we get a palindrome (454435534454).

The spelling of 212412320242 in words is "two hundred twelve billion, four hundred twelve million, three hundred twenty thousand, two hundred forty-two".