12231212113 has 8 divisors (see below), whose sum is σ = 12781022400. Its totient is φ = 11682903408.

The previous prime is 12231212089. The next prime is 12231212117. The reversal of 12231212113 is 31121213221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12231212113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231212117) 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, 358723 + ... + 391336.

It is an arithmetic number, because the mean of its divisors is an integer number (1597627800).

Almost surely, 2^12231212113 is an apocalyptic number.

It is an amenable number.

12231212113 is a deficient number, since it is larger than the sum of its proper divisors (549810287).

12231212113 is an equidigital number, since it uses as much as digits as its factorization.

12231212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750791.

The product of its digits is 144, while the sum is 19.

Adding to 12231212113 its reverse (31121213221), we get a palindrome (43352425334).

The spelling of 12231212113 in words is "twelve billion, two hundred thirty-one million, two hundred twelve thousand, one hundred thirteen".