12231124213 has 24 divisors (see below), whose sum is σ = 15503641920. Its totient is φ = 9374284800.

The previous prime is 12231124193. The next prime is 12231124271. The reversal of 12231124213 is 31242113221.

It is a de Polignac number, because none of the positive numbers 2^k-12231124213 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 (12231124313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265173 + ... + 307861.

It is an arithmetic number, because the mean of its divisors is an integer number (645985080).

Almost surely, 2^12231124213 is an apocalyptic number.

It is an amenable number.

12231124213 is a deficient number, since it is larger than the sum of its proper divisors (3272517707).

12231124213 is an equidigital number, since it uses as much as digits as its factorization.

12231124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42829 (or 42768 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 12231124213 its reverse (31242113221), we get a palindrome (43473237434).

The spelling of 12231124213 in words is "twelve billion, two hundred thirty-one million, one hundred twenty-four thousand, two hundred thirteen".