12031011132 has 48 divisors (see below), whose sum is σ = 32088161280. Its totient is φ = 3436846272.

The previous prime is 12031011127. The next prime is 12031011133. The reversal of 12031011132 is 23111013021.

It is a happy number.

12031011132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031011133) 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, 819198 + ... + 833754.

It is an arithmetic number, because the mean of its divisors is an integer number (668503360).

Almost surely, 2^12031011132 is an apocalyptic number.

12031011132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031011132 is an abundant number, since it is smaller than the sum of its proper divisors (20057150148).

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

12031011132 is a wasteful number, since it uses less digits than its factorization.

12031011132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24410 (or 24408 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12031011132 its reverse (23111013021), we get a palindrome (35142024153).

The spelling of 12031011132 in words is "twelve billion, thirty-one million, eleven thousand, one hundred thirty-two".