212202112020210 has 512 divisors, whose sum is σ = 643448753740800. Its totient is φ = 49333143674880.

The previous prime is 212202112020133. The next prime is 212202112020221. The reversal of 212202112020210 is 12020211202212.

It is a happy number.

212202112020210 is a `hidden beast` number, since 2 + 1 + 220 + 211 + 2 + 0 + 20 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 33806291592 + ... + 33806297868.

It is an arithmetic number, because the mean of its divisors is an integer number (1256735847150).

Almost surely, 2^{212202112020210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212202112020210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321724376870400).

212202112020210 is an abundant number, since it is smaller than the sum of its proper divisors (431246641720590).

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

212202112020210 is a wasteful number, since it uses less digits than its factorization.

212202112020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803 (or 7797 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212202112020210 its reverse (12020211202212), we get a palindrome (224222323222422).

The spelling of 212202112020210 in words is "two hundred twelve trillion, two hundred two billion, one hundred twelve million, twenty thousand, two hundred ten".