212024422244240 has 80 divisors (see below), whose sum is σ = 494560554598656. Its totient is φ = 84533871628800.

The previous prime is 212024422244209. The next prime is 212024422244273. The reversal of 212024422244240 is 42442224420212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 212024422244240.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 722940830 + ... + 723234050.

Almost surely, 2^{212024422244240} is an apocalyptic number.

212024422244240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212024422244240 is an abundant number, since it is smaller than the sum of its proper divisors (282536132354416).

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

212024422244240 is a wasteful number, since it uses less digits than its factorization.

212024422244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322608 (or 322602 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 212024422244240 its reverse (42442224420212), we get a palindrome (254466646664452).

The spelling of 212024422244240 in words is "two hundred twelve trillion, twenty-four billion, four hundred twenty-two million, two hundred forty-four thousand, two hundred forty".