12311132111222 has 64 divisors (see below), whose sum is σ = 21620877527040. Its totient is φ = 5148678370176.

The previous prime is 12311132111221. The next prime is 12311132111227. The reversal of 12311132111222 is 22211123111321.

It is a super-2 number, since 2×12311132111222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311132111221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641763443 + ... + 641782625.

It is an arithmetic number, because the mean of its divisors is an integer number (337826211360).

Almost surely, 2^{12311132111222} is an apocalyptic number.

12311132111222 is a deficient number, since it is larger than the sum of its proper divisors (9309745415818).

12311132111222 is a wasteful number, since it uses less digits than its factorization.

12311132111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25645.

The product of its digits is 288, while the sum is 23.

Adding to 12311132111222 its reverse (22211123111321), we get a palindrome (34522255222543).

The spelling of 12311132111222 in words is "twelve trillion, three hundred eleven billion, one hundred thirty-two million, one hundred eleven thousand, two hundred twenty-two".