12201221001211 has 8 divisors (see below), whose sum is σ = 13311120787200. Its totient is φ = 11091437528040.

The previous prime is 12201221001199. The next prime is 12201221001271. The reversal of 12201221001211 is 11210012210221.

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 12201221001211 - 2¹⁹ = 12201220476923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201221001271) 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, 28858791 + ... + 29278528.

It is an arithmetic number, because the mean of its divisors is an integer number (1663890098400).

Almost surely, 2^{12201221001211} is an apocalyptic number.

12201221001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201221001211 is a deficient number, since it is larger than the sum of its proper divisors (1109899785989).

12201221001211 is a wasteful number, since it uses less digits than its factorization.

12201221001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58156409.

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

Adding to 12201221001211 its reverse (11210012210221), we get a palindrome (23411233211432).

The spelling of 12201221001211 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, one thousand, two hundred eleven".