212144420043234 has 160 divisors (see below), whose sum is σ = 563752317744000. Its totient is φ = 59585356766880.

The previous prime is 212144420043209. The next prime is 212144420043239. The reversal of 212144420043234 is 432340024441212.

212144420043234 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 444 + 200 + 4 + 3 + 2 + 3 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (212144420043239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29076537 + ... + 35633324.

It is an arithmetic number, because the mean of its divisors is an integer number (3523451985900).

Almost surely, 2^{212144420043234} is an apocalyptic number.

212144420043234 is an abundant number, since it is smaller than the sum of its proper divisors (351607897700766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212144420043234 is an equidigital number, since it uses as much as digits as its factorization.

212144420043234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64709955 (or 64709932 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 212144420043234 its reverse (432340024441212), we get a palindrome (644484444484446).

The spelling of 212144420043234 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred twenty million, forty-three thousand, two hundred thirty-four".