212011222000 has 40 divisors (see below), whose sum is σ = 512643139632. Its totient is φ = 84804488000.

The previous prime is 212011221937. The next prime is 212011222043. The reversal of 212011222000 is 222110212.

It is a happy number.

212011222000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 53000806 + ... + 53004805.

Almost surely, 2^212011222000 is an apocalyptic number.

212011222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011222000 is an abundant number, since it is smaller than the sum of its proper divisors (300631917632).

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

212011222000 is a wasteful number, since it uses less digits than its factorization.

212011222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106005634 (or 106005618 counting only the distinct ones).

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

Adding to 212011222000 its reverse (222110212), we get a palindrome (212233332212).

The spelling of 212011222000 in words is "two hundred twelve billion, eleven million, two hundred twenty-two thousand".