1200200002011 has 24 divisors (see below), whose sum is σ = 1747082355200. Its totient is φ = 793942885296.

The previous prime is 1200200002003. The next prime is 1200200002039. The reversal of 1200200002011 is 1102000020021.

It is not a de Polignac number, because 1200200002011 - 2³ = 1200200002003 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200200001984 and 1200200002002.

It is not an unprimeable number, because it can be changed into a prime (1200200004011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255685 + ... + 1570278.

Almost surely, 2^{1200200002011} is an apocalyptic number.

1200200002011 is a deficient number, since it is larger than the sum of its proper divisors (546882353189).

1200200002011 is a wasteful number, since it uses less digits than its factorization.

1200200002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826535 (or 1826532 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1200200002011 its reverse (1102000020021), we get a palindrome (2302200022032).

The spelling of 1200200002011 in words is "one trillion, two hundred billion, two hundred million, two thousand, eleven".