100000100001200 has 120 divisors (see below), whose sum is σ = 290722979940192. Its totient is φ = 32268939816960.

The previous prime is 100000100001161. The next prime is 100000100001211. The reversal of 100000100001200 is 2100001000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050373619 + ... + 1050468818.

Almost surely, 2^{100000100001200} is an apocalyptic number.

100000100001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000100001200 is an abundant number, since it is smaller than the sum of its proper divisors (190722879938992).

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

100000100001200 is a wasteful number, since it uses less digits than its factorization.

100000100001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100842479 (or 2100842468 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 100000100001200 its reverse (2100001000001), we get a palindrome (102100101001201).

The spelling of 100000100001200 in words is "one hundred trillion, one hundred million, one thousand, two hundred".