212111021000010 has 256 divisors, whose sum is σ = 559120830935040. Its totient is φ = 51072645120000.

The previous prime is 212111021000009. The next prime is 212111021000033. The reversal of 212111021000010 is 10000120111212.

It is a self number, because there is not a number n which added to its sum of digits gives 212111021000010.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 68224836336 + ... + 68224839444.

It is an arithmetic number, because the mean of its divisors is an integer number (2184065745840).

Almost surely, 2^{212111021000010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212111021000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279560415467520).

212111021000010 is an abundant number, since it is smaller than the sum of its proper divisors (347009809935030).

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

212111021000010 is a wasteful number, since it uses less digits than its factorization.

212111021000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212111021000010 its reverse (10000120111212), we get a palindrome (222111141111222).

The spelling of 212111021000010 in words is "two hundred twelve trillion, one hundred eleven billion, twenty-one million, ten", and thus it is an aban number.