12112100099999 has 4 divisors (see below), whose sum is σ = 12112112699064. Its totient is φ = 12112087500936.

The previous prime is 12112100099963. The next prime is 12112100100017. The reversal of 12112100099999 is 99999000121121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112100099999 - 2¹² = 12112100095903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112100099999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112100099909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4726592 + ... + 6823845.

It is an arithmetic number, because the mean of its divisors is an integer number (3028028174766).

Almost surely, 2^{12112100099999} is an apocalyptic number.

12112100099999 is a deficient number, since it is larger than the sum of its proper divisors (12599065).

12112100099999 is a wasteful number, since it uses less digits than its factorization.

12112100099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599064.

The product of its (nonzero) digits is 236196, while the sum is 53.

The spelling of 12112100099999 in words is "twelve trillion, one hundred twelve billion, one hundred million, ninety-nine thousand, nine hundred ninety-nine".