12012110212222 has 48 divisors (see below), whose sum is σ = 19664705829888. Its totient is φ = 5499355568000.

The previous prime is 12012110212211. The next prime is 12012110212303. The reversal of 12012110212222 is 22221201121021.

It is a self number, because there is not a number n which added to its sum of digits gives 12012110212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3212847 + ... + 5860597.

It is an arithmetic number, because the mean of its divisors is an integer number (409681371456).

Almost surely, 2^{12012110212222} is an apocalyptic number.

12012110212222 is a deficient number, since it is larger than the sum of its proper divisors (7652595617666).

12012110212222 is a wasteful number, since it uses less digits than its factorization.

12012110212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648001 (or 2647984 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12012110212222 its reverse (22221201121021), we get a palindrome (34233311333243).

The spelling of 12012110212222 in words is "twelve trillion, twelve billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-two".