12255212330164 has 6 divisors (see below), whose sum is σ = 21446621577794. Its totient is φ = 6127606165080.

The previous prime is 12255212330143. The next prime is 12255212330191. The reversal of 12255212330164 is 46103321255221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7246756320400 + 5008456009764 = 2691980^2 + 2237958^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531901541267 + ... + 1531901541274.

Almost surely, 2^{12255212330164} is an apocalyptic number.

It is an amenable number.

12255212330164 is a deficient number, since it is larger than the sum of its proper divisors (9191409247630).

12255212330164 is a wasteful number, since it uses less digits than its factorization.

12255212330164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063803082545 (or 3063803082543 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 12255212330164 its reverse (46103321255221), we get a palindrome (58358533585385).

The spelling of 12255212330164 in words is "twelve trillion, two hundred fifty-five billion, two hundred twelve million, three hundred thirty thousand, one hundred sixty-four".