12210202211 has 4 divisors (see below), whose sum is σ = 12741080592. Its totient is φ = 11679323832.

The previous prime is 12210202183. The next prime is 12210202219. The reversal of 12210202211 is 11220201221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210202211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210202219) 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, 265439156 + ... + 265439201.

It is an arithmetic number, because the mean of its divisors is an integer number (3185270148).

Almost surely, 2^12210202211 is an apocalyptic number.

12210202211 is a deficient number, since it is larger than the sum of its proper divisors (530878381).

12210202211 is an equidigital number, since it uses as much as digits as its factorization.

12210202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530878380.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210202211 its reverse (11220201221), we get a palindrome (23430403432).

The spelling of 12210202211 in words is "twelve billion, two hundred ten million, two hundred two thousand, two hundred eleven".