12031545324 has 12 divisors (see below), whose sum is σ = 28073605784. Its totient is φ = 4010515104.

The previous prime is 12031545319. The next prime is 12031545329. The reversal of 12031545324 is 42354513021.

It is an interprime number because it is at equal distance from previous prime (12031545319) and next prime (12031545329).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12031545291 and 12031545300.

It is not an unprimeable number, because it can be changed into a prime (12031545329) 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 3 ways as a sum of consecutive naturals, for example, 501314377 + ... + 501314400.

Almost surely, 2^12031545324 is an apocalyptic number.

It is an amenable number.

12031545324 is an abundant number, since it is smaller than the sum of its proper divisors (16042060460).

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

12031545324 is a wasteful number, since it uses less digits than its factorization.

12031545324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002628784 (or 1002628782 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 12031545324 in words is "twelve billion, thirty-one million, five hundred forty-five thousand, three hundred twenty-four".