12122112201112 has 16 divisors (see below), whose sum is σ = 22748673282840. Its totient is φ = 6055799325696.

The previous prime is 12122112201083. The next prime is 12122112201211. The reversal of 12122112201112 is 21110221122121.

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 12122112201112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657087058 + ... + 657105505.

Almost surely, 2^{12122112201112} is an apocalyptic number.

It is an amenable number.

12122112201112 is a deficient number, since it is larger than the sum of its proper divisors (10626561081728).

12122112201112 is a wasteful number, since it uses less digits than its factorization.

12122112201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314193722 (or 1314193718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12122112201112 its reverse (21110221122121), we get a palindrome (33232333323233).

The spelling of 12122112201112 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, two hundred one thousand, one hundred twelve".