12100220132 has 144 divisors (see below), whose sum is σ = 29044697472. Its totient is φ = 4335851520.

The previous prime is 12100220131. The next prime is 12100220141. The reversal of 12100220132 is 23102200121.

It is a happy number.

12100220132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12100220131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9893273 + ... + 9894495.

It is an arithmetic number, because the mean of its divisors is an integer number (201699288).

Almost surely, 2^12100220132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14522348736).

12100220132 is an abundant number, since it is smaller than the sum of its proper divisors (16944477340).

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

12100220132 is a wasteful number, since it uses less digits than its factorization.

12100220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12100220132 its reverse (23102200121), we get a palindrome (35202420253).

It can be divided in two parts, 12100 and 220132, that added together give a palindrome (232232).

The spelling of 12100220132 in words is "twelve billion, one hundred million, two hundred twenty thousand, one hundred thirty-two".