12103020132 has 48 divisors (see below), whose sum is σ = 32364702720. Its totient is φ = 3448364832.

The previous prime is 12103020131. The next prime is 12103020143. The reversal of 12103020132 is 23102030121.

12103020132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12103020131) 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 15 ways as a sum of consecutive naturals, for example, 170518 + ... + 230829.

It is an arithmetic number, because the mean of its divisors is an integer number (674264640).

Almost surely, 2^12103020132 is an apocalyptic number.

12103020132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103020132 is an abundant number, since it is smaller than the sum of its proper divisors (20261682588).

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

12103020132 is a wasteful number, since it uses less digits than its factorization.

12103020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401720 (or 401718 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103020132 its reverse (23102030121), we get a palindrome (35205050253).

The spelling of 12103020132 in words is "twelve billion, one hundred three million, twenty thousand, one hundred thirty-two".