12122201211 has 8 divisors (see below), whose sum is σ = 16357669440. Its totient is φ = 7984100232.

The previous prime is 12122201209. The next prime is 12122201213. The reversal of 12122201211 is 11210222121.

12122201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12122201209) and next prime (12122201213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12122201211 - 2¹ = 12122201209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122201213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24341521 + ... + 24342018.

It is an arithmetic number, because the mean of its divisors is an integer number (2044708680).

Almost surely, 2^12122201211 is an apocalyptic number.

12122201211 is a deficient number, since it is larger than the sum of its proper divisors (4235468229).

12122201211 is an equidigital number, since it uses as much as digits as its factorization.

12122201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48683625.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122201211 its reverse (11210222121), we get a palindrome (23332423332).

The spelling of 12122201211 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, two hundred eleven".