12023231213 has 8 divisors (see below), whose sum is σ = 13747062528. Its totient is φ = 10300956624.

The previous prime is 12023231203. The next prime is 12023231261. The reversal of 12023231213 is 31213232021.

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

It is not a de Polignac number, because 12023231213 - 2¹⁰ = 12023230189 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 (12023231203) 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, 372581 + ... + 403562.

It is an arithmetic number, because the mean of its divisors is an integer number (1718382816).

Almost surely, 2^12023231213 is an apocalyptic number.

It is an amenable number.

12023231213 is a deficient number, since it is larger than the sum of its proper divisors (1723831315).

12023231213 is an equidigital number, since it uses as much as digits as its factorization.

12023231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778363.

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

Adding to 12023231213 its reverse (31213232021), we get a palindrome (43236463234).

The spelling of 12023231213 in words is "twelve billion, twenty-three million, two hundred thirty-one thousand, two hundred thirteen".