212011000220000 has 120 divisors (see below), whose sum is σ = 522032071663872. Its totient is φ = 84730712000000.

The previous prime is 212011000219999. The next prime is 212011000220039. The reversal of 212011000220000 is 22000110212.

It is a happy number.

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 19 ways as a sum of consecutive naturals, for example, 18415070 + ... + 27624930.

Almost surely, 2^{212011000220000} is an apocalyptic number.

212011000220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212011000220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261016035831936).

212011000220000 is an abundant number, since it is smaller than the sum of its proper divisors (310021071443872).

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

212011000220000 is an equidigital number, since it uses as much as digits as its factorization.

212011000220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211042 (or 9211019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212011000220000 its reverse (22000110212), we get a palindrome (212033000330212).

The spelling of 212011000220000 in words is "two hundred twelve trillion, eleven billion, two hundred twenty thousand".