12112100100016 has 80 divisors (see below), whose sum is σ = 27506747344384. Its totient is φ = 5058471140352.

The previous prime is 12112100099963. The next prime is 12112100100017. The reversal of 12112100100016 is 61000100121121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12112100100017) 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, 818796 + ... + 4989451.

Almost surely, 2^{12112100100016} is an apocalyptic number.

12112100100016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12112100100016 is an abundant number, since it is smaller than the sum of its proper divisors (15394647244368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112100100016 is a wasteful number, since it uses less digits than its factorization.

12112100100016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808738 (or 5808732 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12112100100016 its reverse (61000100121121), we get a palindrome (73112200221137).

The spelling of 12112100100016 in words is "twelve trillion, one hundred twelve billion, one hundred million, one hundred thousand, sixteen".