12211001206 has 32 divisors (see below), whose sum is σ = 19571032800. Its totient is φ = 5697630720.

The previous prime is 12211001191. The next prime is 12211001221. The reversal of 12211001206 is 60210011221.

It is an interprime number because it is at equal distance from previous prime (12211001191) and next prime (12211001221).

It is a self number, because there is not a number n which added to its sum of digits gives 12211001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708046 + ... + 725086.

It is an arithmetic number, because the mean of its divisors is an integer number (611594775).

Almost surely, 2^12211001206 is an apocalyptic number.

12211001206 is a deficient number, since it is larger than the sum of its proper divisors (7360031594).

12211001206 is a wasteful number, since it uses less digits than its factorization.

12211001206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17344.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211001206 its reverse (60210011221), we get a palindrome (72421012427).

The spelling of 12211001206 in words is "twelve billion, two hundred eleven million, one thousand, two hundred six".