12202311211 has 4 divisors (see below), whose sum is σ = 12432543552. Its totient is φ = 11972078872.

The previous prime is 12202311203. The next prime is 12202311259. The reversal of 12202311211 is 11211320221.

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 12202311211 - 2³ = 12202311203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202311811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115116091 + ... + 115116196.

It is an arithmetic number, because the mean of its divisors is an integer number (3108135888).

Almost surely, 2^12202311211 is an apocalyptic number.

12202311211 is a deficient number, since it is larger than the sum of its proper divisors (230232341).

12202311211 is an equidigital number, since it uses as much as digits as its factorization.

12202311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230232340.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12202311211 its reverse (11211320221), we get a palindrome (23413631432).

The spelling of 12202311211 in words is "twelve billion, two hundred two million, three hundred eleven thousand, two hundred eleven".