100002120002112 has 112 divisors (see below), whose sum is σ = 270242097868800. Its totient is φ = 32621955359232.

The previous prime is 100002120002063. The next prime is 100002120002117. The reversal of 100002120002112 is 211200021200001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100002120002117) 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, 104082889 + ... + 105039287.

Almost surely, 2^{100002120002112} is an apocalyptic number.

100002120002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100002120002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135121048934400).

100002120002112 is an abundant number, since it is smaller than the sum of its proper divisors (170239977866688).

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

100002120002112 is a wasteful number, since it uses less digits than its factorization.

100002120002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968048 (or 968038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100002120002112 its reverse (211200021200001), we get a palindrome (311202141202113).

The spelling of 100002120002112 in words is "one hundred trillion, two billion, one hundred twenty million, two thousand, one hundred twelve".