12211000122 has 16 divisors (see below), whose sum is σ = 24425592192. Its totient is φ = 4069734720.

The previous prime is 12211000117. The next prime is 12211000133. The reversal of 12211000122 is 22100011221.

It is a junction number, because it is equal to n+sod(n) for n = 12211000098 and 12211000107.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104418 + ... + 187949.

It is an arithmetic number, because the mean of its divisors is an integer number (1526599512).

Almost surely, 2^12211000122 is an apocalyptic number.

12211000122 is an abundant number, since it is smaller than the sum of its proper divisors (12214592070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211000122 is a wasteful number, since it uses less digits than its factorization.

12211000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299333.

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

Adding to 12211000122 its reverse (22100011221), we get a palindrome (34311011343).

The spelling of 12211000122 in words is "twelve billion, two hundred eleven million, one hundred twenty-two", and thus it is an aban number.