212443022111242 has 8 divisors (see below), whose sum is σ = 343177189564356. Its totient is φ = 98050625589792.

The previous prime is 212443022111171. The next prime is 212443022111297. The reversal of 212443022111242 is 242111220344212.

212443022111242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 203990634635841 + 8452387475401 = 14282529^2 + 2907299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085442732883 + ... + 4085442732934.

Almost surely, 2^{212443022111242} is an apocalyptic number.

212443022111242 is a deficient number, since it is larger than the sum of its proper divisors (130734167453114).

212443022111242 is a wasteful number, since it uses less digits than its factorization.

212443022111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170885465832.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 212443022111242 its reverse (242111220344212), we get a palindrome (454554242455454).

The spelling of 212443022111242 in words is "two hundred twelve trillion, four hundred forty-three billion, twenty-two million, one hundred eleven thousand, two hundred forty-two".