212212313220000 has 240 divisors, whose sum is σ = 705903052865472. Its totient is φ = 55792907520000.

The previous prime is 212212313219947. The next prime is 212212313220001. The reversal of 212212313220000 is 22313212212.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (212212313220001) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 20647549 + ... + 29167548.

Almost surely, 2^{212212313220000} is an apocalyptic number.

212212313220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212313220000 is an abundant number, since it is smaller than the sum of its proper divisors (493690739645472).

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

212212313220000 is an equidigital number, since it uses as much as digits as its factorization.

212212313220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49815201 (or 49815178 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212212313220000 its reverse (22313212212), we get a palindrome (212234626432212).

The spelling of 212212313220000 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred thirteen million, two hundred twenty thousand".