212021120010 has 256 divisors, whose sum is σ = 596612459520. Its totient is φ = 47228313600.

The previous prime is 212021119997. The next prime is 212021120021. The reversal of 212021120010 is 10021120212.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 677383614 + ... + 677383926.

It is an arithmetic number, because the mean of its divisors is an integer number (2330517420).

Almost surely, 2^212021120010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212021120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298306229760).

212021120010 is an abundant number, since it is smaller than the sum of its proper divisors (384591339510).

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

212021120010 is a wasteful number, since it uses less digits than its factorization.

212021120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

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

Adding to 212021120010 its reverse (10021120212), we get a palindrome (222042240222).

The spelling of 212021120010 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, ten".