12211202912 has 12 divisors (see below), whose sum is σ = 24040805796. Its totient is φ = 6105601440.

The previous prime is 12211202911. The next prime is 12211202947. The reversal of 12211202912 is 21920211221.

12211202912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211202912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211202911) 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 as a sum of consecutive naturals, namely, 190800014 + ... + 190800077.

It is an arithmetic number, because the mean of its divisors is an integer number (2003400483).

Almost surely, 2^12211202912 is an apocalyptic number.

It is an amenable number.

12211202912 is a deficient number, since it is larger than the sum of its proper divisors (11829602884).

12211202912 is an equidigital number, since it uses as much as digits as its factorization.

12211202912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381600101 (or 381600093 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 12211202912 in words is "twelve billion, two hundred eleven million, two hundred two thousand, nine hundred twelve".