12240243311231 has 8 divisors (see below), whose sum is σ = 13185227057184. Its totient is φ = 11295749075040.

The previous prime is 12240243311221. The next prime is 12240243311273. The reversal of 12240243311231 is 13211334204221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12240243311231 - 2²² = 12240239116927 is a prime.

It is a super-2 number, since 2×12240243311231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12240243311194 and 12240243311203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240243311201) 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, 122325500 + ... + 122425521.

It is an arithmetic number, because the mean of its divisors is an integer number (1648153382148).

Almost surely, 2^{12240243311231} is an apocalyptic number.

12240243311231 is a deficient number, since it is larger than the sum of its proper divisors (944983745953).

12240243311231 is a wasteful number, since it uses less digits than its factorization.

12240243311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244754881.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 12240243311231 its reverse (13211334204221), we get a palindrome (25451577515452).

The spelling of 12240243311231 in words is "twelve trillion, two hundred forty billion, two hundred forty-three million, three hundred eleven thousand, two hundred thirty-one".