212021011200 has 432 divisors, whose sum is σ = 723428308736. Its totient is φ = 54643507200.

The previous prime is 212021011177. The next prime is 212021011259. The reversal of 212021011200 is 2110120212.

212021011200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 47 ways as a sum of consecutive naturals, for example, 115794285 + ... + 115796115.

Almost surely, 2^212021011200 is an apocalyptic number.

212021011200 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 212021011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361714154368).

212021011200 is an abundant number, since it is smaller than the sum of its proper divisors (511407297536).

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

212021011200 is a wasteful number, since it uses less digits than its factorization.

212021011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212021011200 its reverse (2110120212), we get a palindrome (214131131412).

The spelling of 212021011200 in words is "two hundred twelve billion, twenty-one million, eleven thousand, two hundred".