1000001101200 has 60 divisors (see below), whose sum is σ = 3203336864688. Its totient is φ = 266666960000.

The previous prime is 1000001101129. The next prime is 1000001101261. The reversal of 1000001101200 is 21011000001.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 416665926 + ... + 416668325.

Almost surely, 2^{1000001101200} is an apocalyptic number.

1000001101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000001101200 is an abundant number, since it is smaller than the sum of its proper divisors (2203335763488).

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

1000001101200 is a wasteful number, since it uses less digits than its factorization.

1000001101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833334272 (or 833334261 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1000001101200 its reverse (21011000001), we get a palindrome (1021012101201).

The spelling of 1000001101200 in words is "one trillion, one million, one hundred one thousand, two hundred".