12215541343322 has 32 divisors (see below), whose sum is σ = 18517089628800. Its totient is φ = 6043492512000.

The previous prime is 12215541343307. The next prime is 12215541343349. The reversal of 12215541343322 is 22334314551221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 179709422 + ... + 179777382.

It is an arithmetic number, because the mean of its divisors is an integer number (578659050900).

Almost surely, 2^{12215541343322} is an apocalyptic number.

12215541343322 is a deficient number, since it is larger than the sum of its proper divisors (6301548285478).

12215541343322 is a wasteful number, since it uses less digits than its factorization.

12215541343322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70262.

The product of its digits is 172800, while the sum is 38.

Adding to 12215541343322 its reverse (22334314551221), we get a palindrome (34549855894543).

The spelling of 12215541343322 in words is "twelve trillion, two hundred fifteen billion, five hundred forty-one million, three hundred forty-three thousand, three hundred twenty-two".