13212323555560 has 128 divisors (see below), whose sum is σ = 29925660885120. Its totient is φ = 5249894694912.

The previous prime is 13212323555413. The next prime is 13212323555593. The reversal of 13212323555560 is 6555532321231.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6928328127 + ... + 6928330033.

It is an arithmetic number, because the mean of its divisors is an integer number (233794225665).

Almost surely, 2^{13212323555560} is an apocalyptic number.

13212323555560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212323555560 is an abundant number, since it is smaller than the sum of its proper divisors (16713337329560).

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

13212323555560 is a wasteful number, since it uses less digits than its factorization.

13212323555560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875 (or 3871 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

Adding to 13212323555560 its reverse (6555532321231), we get a palindrome (19767855876791).

The spelling of 13212323555560 in words is "thirteen trillion, two hundred twelve billion, three hundred twenty-three million, five hundred fifty-five thousand, five hundred sixty".