1200211101112 has 8 divisors (see below), whose sum is σ = 2250395814600. Its totient is φ = 600105550552.

The previous prime is 1200211101109. The next prime is 1200211101127. The reversal of 1200211101112 is 2111011120021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1200211101092 and 1200211101101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75013193812 + ... + 75013193827.

It is an arithmetic number, because the mean of its divisors is an integer number (281299476825).

Almost surely, 2^{1200211101112} is an apocalyptic number.

It is an amenable number.

1200211101112 is a deficient number, since it is larger than the sum of its proper divisors (1050184713488).

1200211101112 is a wasteful number, since it uses less digits than its factorization.

1200211101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150026387645 (or 150026387641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1200211101112 its reverse (2111011120021), we get a palindrome (3311222221133).

The spelling of 1200211101112 in words is "one trillion, two hundred billion, two hundred eleven million, one hundred one thousand, one hundred twelve".