12111210231222 has 8 divisors (see below), whose sum is σ = 24222420462456. Its totient is φ = 4037070077072.

The previous prime is 12111210231193. The next prime is 12111210231247. The reversal of 12111210231222 is 22213201211121.

12111210231222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12111210231222 is an admirable number.

It is a super-2 number, since 2×12111210231222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009267519263 + ... + 1009267519274.

It is an arithmetic number, because the mean of its divisors is an integer number (3027802557807).

Almost surely, 2^{12111210231222} is an apocalyptic number.

12111210231222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111210231222 is a wasteful number, since it uses less digits than its factorization.

12111210231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018535038542.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12111210231222 its reverse (22213201211121), we get a palindrome (34324411442343).

The spelling of 12111210231222 in words is "twelve trillion, one hundred eleven billion, two hundred ten million, two hundred thirty-one thousand, two hundred twenty-two".