1200010211 has 4 divisors (see below), whose sum is σ = 1252184592. Its totient is φ = 1147835832.

The previous prime is 1200010187. The next prime is 1200010261. The reversal of 1200010211 is 1120100021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200010211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200010261) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 26087156 + ... + 26087201.

It is an arithmetic number, because the mean of its divisors is an integer number (313046148).

Almost surely, 2^1200010211 is an apocalyptic number.

1200010211 is a deficient number, since it is larger than the sum of its proper divisors (52174381).

1200010211 is an equidigital number, since it uses as much as digits as its factorization.

1200010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52174380.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1200010211 is about 34641.1635341540. The cubic root of 1200010211 is about 1062.6615832870.

Adding to 1200010211 its reverse (1120100021), we get a palindrome (2320110232).

The spelling of 1200010211 in words is "one billion, two hundred million, ten thousand, two hundred eleven".