12212011020211 has 4 divisors (see below), whose sum is σ = 12212517325624. Its totient is φ = 12211504714800.

The previous prime is 12212011020193. The next prime is 12212011020233. The reversal of 12212011020211 is 11202011021221.

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 12212011020211 - 2⁹ = 12212011019699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212011020271) 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, 253116525 + ... + 253164766.

It is an arithmetic number, because the mean of its divisors is an integer number (3053129331406).

Almost surely, 2^{12212011020211} is an apocalyptic number.

12212011020211 is a deficient number, since it is larger than the sum of its proper divisors (506305413).

12212011020211 is an equidigital number, since it uses as much as digits as its factorization.

12212011020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506305412.

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

Adding to 12212011020211 its reverse (11202011021221), we get a palindrome (23414022041432).

The spelling of 12212011020211 in words is "twelve trillion, two hundred twelve billion, eleven million, twenty thousand, two hundred eleven".