212102112303210 has 128 divisors (see below), whose sum is σ = 554344197120000. Its totient is φ = 51733164333312.

The previous prime is 212102112303197. The next prime is 212102112303241. The reversal of 212102112303210 is 12303211201212.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312060999 + ... + 312739941.

It is an arithmetic number, because the mean of its divisors is an integer number (4330814040000).

Almost surely, 2^{212102112303210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212102112303210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277172098560000).

212102112303210 is an abundant number, since it is smaller than the sum of its proper divisors (342242084816790).

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

212102112303210 is a wasteful number, since it uses less digits than its factorization.

212102112303210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697900.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 212102112303210 its reverse (12303211201212), we get a palindrome (224405323504422).

The spelling of 212102112303210 in words is "two hundred twelve trillion, one hundred two billion, one hundred twelve million, three hundred three thousand, two hundred ten".