12211100008 has 32 divisors (see below), whose sum is σ = 23341973760. Its totient is φ = 5987393280.

The previous prime is 12211100003. The next prime is 12211100009. The reversal of 12211100008 is 80000111221.

It is a super-2 number, since 2×12211100008² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211099964 and 12211100000.

It is not an unprimeable number, because it can be changed into a prime (12211100003) by changing a digit.

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, 68448 + ... + 170608.

It is an arithmetic number, because the mean of its divisors is an integer number (729436680).

Almost surely, 2^12211100008 is an apocalyptic number.

It is an amenable number.

12211100008 is a deficient number, since it is larger than the sum of its proper divisors (11130873752).

12211100008 is a wasteful number, since it uses less digits than its factorization.

12211100008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102457 (or 102453 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211100008 its reverse (80000111221), we get a palindrome (92211211229).

The spelling of 12211100008 in words is "twelve billion, two hundred eleven million, one hundred thousand, eight".