12202212211 has 24 divisors (see below), whose sum is σ = 14571128880. Its totient is φ = 10183021632.

The previous prime is 12202212163. The next prime is 12202212223. The reversal of 12202212211 is 11221220221.

It is a happy number.

It is not a de Polignac number, because 12202212211 - 2²⁵ = 12168657779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12202212271) 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 23 ways as a sum of consecutive naturals, for example, 658785 + ... + 677053.

It is an arithmetic number, because the mean of its divisors is an integer number (607130370).

Almost surely, 2^12202212211 is an apocalyptic number.

12202212211 is a deficient number, since it is larger than the sum of its proper divisors (2368916669).

12202212211 is a wasteful number, since it uses less digits than its factorization.

12202212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18643 (or 18636 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12202212211 its reverse (11221220221), we get a palindrome (23423432432).

The spelling of 12202212211 in words is "twelve billion, two hundred two million, two hundred twelve thousand, two hundred eleven".