12231114520 has 32 divisors (see below), whose sum is σ = 27524772000. Its totient is φ = 4891598848.

The previous prime is 12231114509. The next prime is 12231114523. The reversal of 12231114520 is 2541113221.

It is a junction number, because it is equal to n+sod(n) for n = 12231114491 and 12231114500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231114523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240792 + ... + 287128.

It is an arithmetic number, because the mean of its divisors is an integer number (860149125).

Almost surely, 2^12231114520 is an apocalyptic number.

12231114520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231114520 is an abundant number, since it is smaller than the sum of its proper divisors (15293657480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231114520 is a wasteful number, since it uses less digits than its factorization.

12231114520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52947 (or 52943 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 12231114520 its reverse (2541113221), we get a palindrome (14772227741).

The spelling of 12231114520 in words is "twelve billion, two hundred thirty-one million, one hundred fourteen thousand, five hundred twenty".