12031012332 has 72 divisors (see below), whose sum is σ = 31433292800. Its totient is φ = 3875960160.

The previous prime is 12031012327. The next prime is 12031012337. The reversal of 12031012332 is 23321013021.

12031012332 is a `hidden beast` number, since 1 + 20 + 310 + 1 + 2 + 332 = 666.

It is an interprime number because it is at equal distance from previous prime (12031012327) and next prime (12031012337).

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

It is not an unprimeable number, because it can be changed into a prime (12031012337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 911919 + ... + 925017.

Almost surely, 2^12031012332 is an apocalyptic number.

12031012332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031012332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15716646400).

12031012332 is an abundant number, since it is smaller than the sum of its proper divisors (19402280468).

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

12031012332 is a wasteful number, since it uses less digits than its factorization.

12031012332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963 (or 13958 counting only the distinct ones).

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

Adding to 12031012332 its reverse (23321013021), we get a palindrome (35352025353).

The spelling of 12031012332 in words is "twelve billion, thirty-one million, twelve thousand, three hundred thirty-two".