12100012211 has 4 divisors (see below), whose sum is σ = 13828585392. Its totient is φ = 10371439032.

The previous prime is 12100012207. The next prime is 12100012217. The reversal of 12100012211 is 11221000121.

12100012211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11221000121 = 193 ⋅58139897.

It is a cyclic number.

It is not a de Polignac number, because 12100012211 - 2² = 12100012207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100012192 and 12100012201.

It is not an unprimeable number, because it can be changed into a prime (12100012217) 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 3 ways as a sum of consecutive naturals, for example, 864286580 + ... + 864286593.

It is an arithmetic number, because the mean of its divisors is an integer number (3457146348).

Almost surely, 2^12100012211 is an apocalyptic number.

12100012211 is a deficient number, since it is larger than the sum of its proper divisors (1728573181).

12100012211 is an equidigital number, since it uses as much as digits as its factorization.

12100012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728573180.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100012211 its reverse (11221000121), we get a palindrome (23321012332).

The spelling of 12100012211 in words is "twelve billion, one hundred million, twelve thousand, two hundred eleven".