12031324013 has 8 divisors (see below), whose sum is σ = 12294504768. Its totient is φ = 11770958304.

The previous prime is 12031323923. The next prime is 12031324033. The reversal of 12031324013 is 31042313021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12031324013 - 2³² = 7736356717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031324033) 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, 695120 + ... + 712217.

It is an arithmetic number, because the mean of its divisors is an integer number (1536813096).

Almost surely, 2^12031324013 is an apocalyptic number.

It is an amenable number.

12031324013 is a deficient number, since it is larger than the sum of its proper divisors (263180755).

12031324013 is a wasteful number, since it uses less digits than its factorization.

12031324013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407523.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12031324013 its reverse (31042313021), we get a palindrome (43073637034).

The spelling of 12031324013 in words is "twelve billion, thirty-one million, three hundred twenty-four thousand, thirteen".