100001001200112 has 60 divisors (see below), whose sum is σ = 280059759642520. Its totient is φ = 33310340429184.

The previous prime is 100001001200057. The next prime is 100001001200171. The reversal of 100001001200112 is 211002100100001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100001001200094 and 100001001200103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242779318 + ... + 243190869.

Almost surely, 2^{100001001200112} is an apocalyptic number.

100001001200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100001001200112 is an abundant number, since it is smaller than the sum of its proper divisors (180058758442408).

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

100001001200112 is a wasteful number, since it uses less digits than its factorization.

100001001200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485971630 (or 485971621 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100001001200112 its reverse (211002100100001), we get a palindrome (311003101300113).

The spelling of 100001001200112 in words is "one hundred trillion, one billion, one million, two hundred thousand, one hundred twelve".