212212120000 has 70 divisors (see below), whose sum is σ = 526217187848. Its totient is φ = 84884832000.

The previous prime is 212212119929. The next prime is 212212120013. The reversal of 212212120000 is 21212212.

It is a happy number.

212212120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 9 ways as a sum of consecutive naturals, for example, 2612652 + ... + 2692651.

Almost surely, 2^212212120000 is an apocalyptic number.

212212120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212120000 is an abundant number, since it is smaller than the sum of its proper divisors (314005067848).

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

212212120000 is an frugal number, since it uses more digits than its factorization.

212212120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305335 (or 5305310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212212120000 its reverse (21212212), we get a palindrome (212233332212).

The spelling of 212212120000 in words is "two hundred twelve billion, two hundred twelve million, one hundred twenty thousand".