1200212112211 has 32 divisors (see below), whose sum is σ = 1533101040000. Its totient is φ = 934850681856.

The previous prime is 1200212112181. The next prime is 1200212112223. The reversal of 1200212112211 is 1122112120021.

It is not a de Polignac number, because 1200212112211 - 2⁵ = 1200212112179 is a prime.

It is a super-2 number, since 2×1200212112211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200212512211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3379746 + ... + 3717943.

It is an arithmetic number, because the mean of its divisors is an integer number (47909407500).

Almost surely, 2^{1200212112211} is an apocalyptic number.

1200212112211 is a deficient number, since it is larger than the sum of its proper divisors (332888927789).

1200212112211 is an equidigital number, since it uses as much as digits as its factorization.

1200212112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097756 (or 7097742 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1200212112211 its reverse (1122112120021), we get a palindrome (2322324232232).

The spelling of 1200212112211 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred twelve thousand, two hundred eleven".