1200212212211 has 8 divisors (see below), whose sum is σ = 1205043666624. Its totient is φ = 1195381153000.

The previous prime is 1200212212207. The next prime is 1200212212279. The reversal of 1200212212211 is 1122122120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200212212211 - 2² = 1200212212207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200212212211.

It is not an unprimeable number, because it can be changed into a prime (1200212212201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7014500 + ... + 7183566.

It is an arithmetic number, because the mean of its divisors is an integer number (150630458328).

Almost surely, 2^{1200212212211} is an apocalyptic number.

1200212212211 is a deficient number, since it is larger than the sum of its proper divisors (4831454413).

1200212212211 is a wasteful number, since it uses less digits than its factorization.

1200212212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197601.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1200212212211 its reverse (1122122120021), we get a palindrome (2322334332232).

The spelling of 1200212212211 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".