12211000002 has 24 divisors (see below), whose sum is σ = 26498466540. Its totient is φ = 4063979520.

The previous prime is 12210999979. The next prime is 12211000003. The reversal of 12211000002 is 20000011221.

12211000002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8673010641 + 3537989361 = 93129^2 + 59481^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12211000003) 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 11 ways as a sum of consecutive naturals, for example, 517627 + ... + 540702.

Almost surely, 2^12211000002 is an apocalyptic number.

12211000002 is an abundant number, since it is smaller than the sum of its proper divisors (14287466538).

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

12211000002 is a wasteful number, since it uses less digits than its factorization.

12211000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058978 (or 1058975 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12211000002 its reverse (20000011221), we get a palindrome (32211011223).

The spelling of 12211000002 in words is "twelve billion, two hundred eleven million, two", and thus it is an aban number.