212102213123130 has 128 divisors (see below), whose sum is σ = 562954190835456. Its totient is φ = 50712110899200.

The previous prime is 212102213123077. The next prime is 212102213123153. The reversal of 212102213123130 is 31321312201212.

212102213123130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212102213123130.

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, 580892382 + ... + 581257398.

It is an arithmetic number, because the mean of its divisors is an integer number (4398079615902).

Almost surely, 2^{212102213123130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212102213123130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281477095417728).

212102213123130 is an abundant number, since it is smaller than the sum of its proper divisors (350851977712326).

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

212102213123130 is a wasteful number, since it uses less digits than its factorization.

212102213123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389232.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212102213123130 its reverse (31321312201212), we get a palindrome (243423525324342).

The spelling of 212102213123130 in words is "two hundred twelve trillion, one hundred two billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred thirty".