12120210102 has 128 divisors (see below), whose sum is σ = 33426828288. Its totient is φ = 2827353600.

The previous prime is 12120210097. The next prime is 12120210131. The reversal of 12120210102 is 20101202121.

12120210102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 194952 + ... + 249492.

It is an arithmetic number, because the mean of its divisors is an integer number (261147096).

Almost surely, 2^12120210102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120210102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16713414144).

12120210102 is an abundant number, since it is smaller than the sum of its proper divisors (21306618186).

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

12120210102 is a wasteful number, since it uses less digits than its factorization.

12120210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54614.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12120210102 its reverse (20101202121), we get a palindrome (32221412223).

It can be divided in two parts, 12120 and 210102, that added together give a palindrome (222222).

The spelling of 12120210102 in words is "twelve billion, one hundred twenty million, two hundred ten thousand, one hundred two".