1200411211 has 4 divisors (see below), whose sum is σ = 1201554424. Its totient is φ = 1199268000.

The previous prime is 1200411209. The next prime is 1200411281. The reversal of 1200411211 is 1121140021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200411211 - 2¹ = 1200411209 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1200411191 and 1200411200.

It is not an unprimeable number, because it can be changed into a prime (1200411281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570030 + ... + 572131.

It is an arithmetic number, because the mean of its divisors is an integer number (300388606).

Almost surely, 2^1200411211 is an apocalyptic number.

1200411211 is a deficient number, since it is larger than the sum of its proper divisors (1143213).

1200411211 is a wasteful number, since it uses less digits than its factorization.

1200411211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143212.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1200411211 is about 34646.9509625306. The cubic root of 1200411211 is about 1062.7799377906.

Adding to 1200411211 its reverse (1121140021), we get a palindrome (2321551232).

The spelling of 1200411211 in words is "one billion, two hundred million, four hundred eleven thousand, two hundred eleven".