12111120220012 has 24 divisors (see below), whose sum is σ = 23513114761920. Its totient is φ = 5411748633360.

The previous prime is 12111120219971. The next prime is 12111120220033. The reversal of 12111120220012 is 21002202111121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332647678 + ... + 2332652869.

It is an arithmetic number, because the mean of its divisors is an integer number (979713115080).

Almost surely, 2^{12111120220012} is an apocalyptic number.

It is an amenable number.

12111120220012 is a deficient number, since it is larger than the sum of its proper divisors (11401994541908).

12111120220012 is a wasteful number, since it uses less digits than its factorization.

12111120220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665300621 (or 4665300619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12111120220012 its reverse (21002202111121), we get a palindrome (33113322331133).

The spelling of 12111120220012 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, two hundred twenty thousand, twelve".