12231222231 has 8 divisors (see below), whose sum is σ = 16315674480. Its totient is φ = 8150459072.

The previous prime is 12231222217. The next prime is 12231222239. The reversal of 12231222231 is 13222213221.

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 12231222231 - 2⁶ = 12231222167 is a prime.

It is a super-2 number, since 2×12231222231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231222198 and 12231222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231222239) 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, 914526 + ... + 927803.

It is an arithmetic number, because the mean of its divisors is an integer number (2039459310).

Almost surely, 2^12231222231 is an apocalyptic number.

12231222231 is a deficient number, since it is larger than the sum of its proper divisors (4084452249).

12231222231 is a wasteful number, since it uses less digits than its factorization.

12231222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844545.

The product of its digits is 576, while the sum is 21.

Adding to 12231222231 its reverse (13222213221), we get a palindrome (25453435452).

The spelling of 12231222231 in words is "twelve billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-one".