12103023132 has 24 divisors (see below), whose sum is σ = 31378208400. Its totient is φ = 4034341008.

The previous prime is 12103023091. The next prime is 12103023169. The reversal of 12103023132 is 23132030121.

12103023132 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 (18).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56032407 + ... + 56032622.

It is an arithmetic number, because the mean of its divisors is an integer number (1307425350).

Almost surely, 2^12103023132 is an apocalyptic number.

12103023132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103023132 is an abundant number, since it is smaller than the sum of its proper divisors (19275185268).

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

12103023132 is a wasteful number, since it uses less digits than its factorization.

12103023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112065042 (or 112065034 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12103023132 its reverse (23132030121), we get a palindrome (35235053253).

The spelling of 12103023132 in words is "twelve billion, one hundred three million, twenty-three thousand, one hundred thirty-two".