12031030332 has 24 divisors (see below), whose sum is σ = 31191560400. Its totient is φ = 4010343408.

The previous prime is 12031030331. The next prime is 12031030379. The reversal of 12031030332 is 23303013021.

12031030332 is a `hidden beast` number, since 1 + 20 + 310 + 3 + 0 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031030331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55699107 + ... + 55699322.

It is an arithmetic number, because the mean of its divisors is an integer number (1299648350).

Almost surely, 2^12031030332 is an apocalyptic number.

12031030332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031030332 is an abundant number, since it is smaller than the sum of its proper divisors (19160530068).

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

12031030332 is a wasteful number, since it uses less digits than its factorization.

12031030332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111398442 (or 111398434 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12031030332 its reverse (23303013021), we get a palindrome (35334043353).

The spelling of 12031030332 in words is "twelve billion, thirty-one million, thirty thousand, three hundred thirty-two".