12000122211 has 32 divisors (see below), whose sum is σ = 19957436928. Its totient is φ = 6230960640.

The previous prime is 12000122171. The next prime is 12000122219. The reversal of 12000122211 is 11222100021.

12000122211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12000122211 - 2⁷ = 12000122083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000122219) 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 31 ways as a sum of consecutive naturals, for example, 547581 + ... + 569073.

It is an arithmetic number, because the mean of its divisors is an integer number (623669904).

Almost surely, 2^12000122211 is an apocalyptic number.

12000122211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000122211 is a deficient number, since it is larger than the sum of its proper divisors (7957314717).

12000122211 is a wasteful number, since it uses less digits than its factorization.

12000122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23931.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000122211 its reverse (11222100021), we get a palindrome (23222222232).

The spelling of 12000122211 in words is "twelve billion, one hundred twenty-two thousand, two hundred eleven".