12031133424 has 40 divisors (see below), whose sum is σ = 31096224000. Its totient is φ = 4008339648.

The previous prime is 12031133419. The next prime is 12031133483. The reversal of 12031133424 is 42433113021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12031133394 and 12031133403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33259 + ... + 158645.

It is an arithmetic number, because the mean of its divisors is an integer number (777405600).

Almost surely, 2^12031133424 is an apocalyptic number.

It is an amenable number.

12031133424 is an abundant number, since it is smaller than the sum of its proper divisors (19065090576).

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

12031133424 is a wasteful number, since it uses less digits than its factorization.

12031133424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127397 (or 127391 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12031133424 its reverse (42433113021), we get a palindrome (54464246445).

It can be divided in two parts, 120311 and 33424, that added together give a triangular number (153735 = T₅₅₄).

The spelling of 12031133424 in words is "twelve billion, thirty-one million, one hundred thirty-three thousand, four hundred twenty-four".