12210212210011 has 4 divisors (see below), whose sum is σ = 12227882561224. Its totient is φ = 12192541858800.

The previous prime is 12210212209991. The next prime is 12210212210033. The reversal of 12210212210011 is 11001221201221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210212210011 - 2⁹ = 12210212209499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210212210111) 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 3 ways as a sum of consecutive naturals, for example, 8835174570 + ... + 8835175951.

It is an arithmetic number, because the mean of its divisors is an integer number (3056970640306).

Almost surely, 2^{12210212210011} is an apocalyptic number.

12210212210011 is a deficient number, since it is larger than the sum of its proper divisors (17670351213).

12210212210011 is an equidigital number, since it uses as much as digits as its factorization.

12210212210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670351212.

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

Adding to 12210212210011 its reverse (11001221201221), we get a palindrome (23211433411232).

The spelling of 12210212210011 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, two hundred ten thousand, eleven".