12011011031222 has 16 divisors (see below), whose sum is σ = 20596122823680. Its totient is φ = 5146121606568.

The previous prime is 12011011031093. The next prime is 12011011031293. The reversal of 12011011031222 is 22213011011021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011011031222.

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, 121161158 + ... + 121260249.

It is an arithmetic number, because the mean of its divisors is an integer number (1287257676480).

Almost surely, 2^{12011011031222} is an apocalyptic number.

12011011031222 is a deficient number, since it is larger than the sum of its proper divisors (8585111792458).

12011011031222 is a wasteful number, since it uses less digits than its factorization.

12011011031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242424955.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011011031222 its reverse (22213011011021), we get a palindrome (34224022042243).

The spelling of 12011011031222 in words is "twelve trillion, eleven billion, eleven million, thirty-one thousand, two hundred twenty-two".