12112111200102 has 64 divisors (see below), whose sum is σ = 24694590818304. Its totient is φ = 3959518210560.

The previous prime is 12112111200073. The next prime is 12112111200109. The reversal of 12112111200102 is 20100211121121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112111200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399816868 + ... + 399847160.

It is an arithmetic number, because the mean of its divisors is an integer number (385852981536).

Almost surely, 2^{12112111200102} is an apocalyptic number.

12112111200102 is an abundant number, since it is smaller than the sum of its proper divisors (12582479618202).

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

12112111200102 is a wasteful number, since it uses less digits than its factorization.

12112111200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34733.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112111200102 its reverse (20100211121121), we get a palindrome (32212322321223).

The spelling of 12112111200102 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred thousand, one hundred two".