13202564243236 has 24 divisors (see below), whose sum is σ = 23729668857720. Its totient is φ = 6422669920512.

The previous prime is 13202564243203. The next prime is 13202564243243. The reversal of 13202564243236 is 63234246520231.

It can be written as a sum of positive squares in 4 ways, for example, as 8676971748900 + 4525592494336 = 2945670^2 + 2127344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13202564243192 and 13202564243201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462870 + ... + 6196498.

It is an arithmetic number, because the mean of its divisors is an integer number (988736202405).

Almost surely, 2^{13202564243236} is an apocalyptic number.

It is an amenable number.

13202564243236 is a deficient number, since it is larger than the sum of its proper divisors (10527104614484).

13202564243236 is a wasteful number, since it uses less digits than its factorization.

13202564243236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766303 (or 2766301 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 13202564243236 in words is "thirteen trillion, two hundred two billion, five hundred sixty-four million, two hundred forty-three thousand, two hundred thirty-six".