12311123222 has 8 divisors (see below), whose sum is σ = 18474159576. Its totient is φ = 6153070032.

The previous prime is 12311123219. The next prime is 12311123243. The reversal of 12311123222 is 22232111321.

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

It is a super-2 number, since 2×12311123222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12311123194 and 12311123203.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1239608 + ... + 1249499.

It is an arithmetic number, because the mean of its divisors is an integer number (2309269947).

Almost surely, 2^12311123222 is an apocalyptic number.

12311123222 is a deficient number, since it is larger than the sum of its proper divisors (6163036354).

12311123222 is a wasteful number, since it uses less digits than its factorization.

12311123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491582.

The product of its digits is 288, while the sum is 20.

Adding to 12311123222 its reverse (22232111321), we get a palindrome (34543234543).

The spelling of 12311123222 in words is "twelve billion, three hundred eleven million, one hundred twenty-three thousand, two hundred twenty-two".