1200210222211 has 64 divisors (see below), whose sum is σ = 1673666297856. Its totient is φ = 830311171200.

The previous prime is 1200210222179. The next prime is 1200210222241. The reversal of 1200210222211 is 1122220120021.

It is a happy number.

It is not a de Polignac number, because 1200210222211 - 2⁵ = 1200210222179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200210222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4939410 + ... + 5176696.

It is an arithmetic number, because the mean of its divisors is an integer number (26151035904).

Almost surely, 2^{1200210222211} is an apocalyptic number.

1200210222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200210222211 is a deficient number, since it is larger than the sum of its proper divisors (473456075645).

1200210222211 is a wasteful number, since it uses less digits than its factorization.

1200210222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237512.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200210222211 its reverse (1122220120021), we get a palindrome (2322430342232).

The spelling of 1200210222211 in words is "one trillion, two hundred billion, two hundred ten million, two hundred twenty-two thousand, two hundred eleven".