12211368464 has 20 divisors (see below), whose sum is σ = 25051263804. Its totient is φ = 5746526208.

The previous prime is 12211368461. The next prime is 12211368527. The reversal of 12211368464 is 46486311221.

It is a happy number.

12211368464 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 6632473600 + 5578894864 = 81440^2 + 74692^2 .

It is not an unprimeable number, because it can be changed into a prime (12211368461) 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 3 ways as a sum of consecutive naturals, for example, 22447097 + ... + 22447640.

Almost surely, 2^12211368464 is an apocalyptic number.

It is an amenable number.

12211368464 is an abundant number, since it is smaller than the sum of its proper divisors (12839895340).

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

12211368464 is a wasteful number, since it uses less digits than its factorization.

12211368464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44894762 (or 44894756 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

Adding to 12211368464 its reverse (46486311221), we get a palindrome (58697679685).

The spelling of 12211368464 in words is "twelve billion, two hundred eleven million, three hundred sixty-eight thousand, four hundred sixty-four".