12210213130122 has 128 divisors (see below), whose sum is σ = 28635879849984. Its totient is φ = 3398495079168.

The previous prime is 12210213130097. The next prime is 12210213130123. The reversal of 12210213130122 is 22103131201221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12210213130123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 642193888 + ... + 642212900.

It is an arithmetic number, because the mean of its divisors is an integer number (223717811328).

Almost surely, 2^{12210213130122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210213130122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14317939924992).

12210213130122 is an abundant number, since it is smaller than the sum of its proper divisors (16425666719862).

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

12210213130122 is a wasteful number, since it uses less digits than its factorization.

12210213130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572.

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

Adding to 12210213130122 its reverse (22103131201221), we get a palindrome (34313344331343).

The spelling of 12210213130122 in words is "twelve trillion, two hundred ten billion, two hundred thirteen million, one hundred thirty thousand, one hundred twenty-two".