12311112022 has 16 divisors (see below), whose sum is σ = 20323738512. Its totient is φ = 5546437120.

The previous prime is 12311112017. The next prime is 12311112059. The reversal of 12311112022 is 22021111321.

It is a junction number, because it is equal to n+sod(n) for n = 12311111987 and 12311112005.

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 7 ways as a sum of consecutive naturals, for example, 2473603 + ... + 2478574.

It is an arithmetic number, because the mean of its divisors is an integer number (1270233657).

Almost surely, 2^12311112022 is an apocalyptic number.

12311112022 is a deficient number, since it is larger than the sum of its proper divisors (8012626490).

12311112022 is a wasteful number, since it uses less digits than its factorization.

12311112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952303.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12311112022 its reverse (22021111321), we get a palindrome (34332223343).

The spelling of 12311112022 in words is "twelve billion, three hundred eleven million, one hundred twelve thousand, twenty-two".