13221140302250 has 64 divisors (see below), whose sum is σ = 24919897860000. Its totient is φ = 5252158643200.

The previous prime is 13221140302211. The next prime is 13221140302303. The reversal of 13221140302250 is 5220304112231.

It can be written as a sum of positive squares in 16 ways, for example, as 8348441660689 + 4872698641561 = 2889367^2 + 2207419^2 .

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, 282666866 + ... + 282713634.

Almost surely, 2^{13221140302250} is an apocalyptic number.

13221140302250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221140302250 is a deficient number, since it is larger than the sum of its proper divisors (11698757557750).

13221140302250 is a wasteful number, since it uses less digits than its factorization.

13221140302250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54524 (or 54514 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13221140302250 its reverse (5220304112231), we get a palindrome (18441444414481).

The spelling of 13221140302250 in words is "thirteen trillion, two hundred twenty-one billion, one hundred forty million, three hundred two thousand, two hundred fifty".