212003443342 has 4 divisors (see below), whose sum is σ = 318005165016. Its totient is φ = 106001721670.

The previous prime is 212003443313. The next prime is 212003443369. The reversal of 212003443342 is 243344300212.

212003443342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212003443342.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 53000860834 + ... + 53000860837.

It is an arithmetic number, because the mean of its divisors is an integer number (79501291254).

Almost surely, 2^212003443342 is an apocalyptic number.

212003443342 is a deficient number, since it is larger than the sum of its proper divisors (106001721674).

212003443342 is a wasteful number, since it uses less digits than its factorization.

212003443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106001721673.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 212003443342 its reverse (243344300212), we get a palindrome (455347743554).

The spelling of 212003443342 in words is "two hundred twelve billion, three million, four hundred forty-three thousand, three hundred forty-two".