12113320231 has 8 divisors (see below), whose sum is σ = 12643467264. Its totient is φ = 11583463320.

The previous prime is 12113320223. The next prime is 12113320237. The reversal of 12113320231 is 13202331121.

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

It is not a de Polignac number, because 12113320231 - 2³ = 12113320223 is a prime.

It is a super-2 number, since 2×12113320231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12113320199 and 12113320208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113320237) 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, 15066 + ... + 156376.

It is an arithmetic number, because the mean of its divisors is an integer number (1580433408).

Almost surely, 2^12113320231 is an apocalyptic number.

12113320231 is a deficient number, since it is larger than the sum of its proper divisors (530147033).

12113320231 is a wasteful number, since it uses less digits than its factorization.

12113320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145061.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12113320231 its reverse (13202331121), we get a palindrome (25315651352).

The spelling of 12113320231 in words is "twelve billion, one hundred thirteen million, three hundred twenty thousand, two hundred thirty-one".