212011021120 has 56 divisors (see below), whose sum is σ = 511961879808. Its totient is φ = 83609971200.

The previous prime is 212011021097. The next prime is 212011021127. The reversal of 212011021120 is 21120110212.

212011021120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212011021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011021127) 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 7 ways as a sum of consecutive naturals, for example, 4643016 + ... + 4688455.

Almost surely, 2^212011021120 is an apocalyptic number.

212011021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011021120 is an abundant number, since it is smaller than the sum of its proper divisors (299950858688).

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

212011021120 is an equidigital number, since it uses as much as digits as its factorization.

212011021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331559 (or 9331549 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212011021120 its reverse (21120110212), we get a palindrome (233131131332).

The spelling of 212011021120 in words is "two hundred twelve billion, eleven million, twenty-one thousand, one hundred twenty".