12112112210999 has 16 divisors (see below), whose sum is σ = 12608636798976. Its totient is φ = 11622484692000.

The previous prime is 12112112210983. The next prime is 12112112211013. The reversal of 12112112210999 is 99901221121121.

It is a cyclic number.

It is not a de Polignac number, because 12112112210999 - 2⁴ = 12112112210983 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 (12112112210929) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 195329 + ... + 4925685.

It is an arithmetic number, because the mean of its divisors is an integer number (788039799936).

Almost surely, 2^{12112112210999} is an apocalyptic number.

12112112210999 is a deficient number, since it is larger than the sum of its proper divisors (496524587977).

12112112210999 is a wasteful number, since it uses less digits than its factorization.

12112112210999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731086.

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 12112112210999 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, two hundred ten thousand, nine hundred ninety-nine".