12100111012223 has 16 divisors (see below), whose sum is σ = 13101996059040. Its totient is φ = 11108415873024.

The previous prime is 12100111012219. The next prime is 12100111012261. The reversal of 12100111012223 is 32221011100121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12100111012223 - 2² = 12100111012219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100111912223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8521415 + ... + 9839447.

It is an arithmetic number, because the mean of its divisors is an integer number (818874753690).

Almost surely, 2^{12100111012223} is an apocalyptic number.

12100111012223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12100111012223 is a deficient number, since it is larger than the sum of its proper divisors (1001885046817).

12100111012223 is a wasteful number, since it uses less digits than its factorization.

12100111012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321898.

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

Adding to 12100111012223 its reverse (32221011100121), we get a palindrome (44321122112344).

The spelling of 12100111012223 in words is "twelve trillion, one hundred billion, one hundred eleven million, twelve thousand, two hundred twenty-three".