13204413521204 has 6 divisors (see below), whose sum is σ = 23107723662114. Its totient is φ = 6602206760600.

The previous prime is 13204413521203. The next prime is 13204413521213. The reversal of 13204413521204 is 40212531440231.

It can be written as a sum of positive squares in only one way, i.e., 13138102121104 + 66311400100 = 3624652^2 + 257510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204413521203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650551690147 + ... + 1650551690154.

It is an arithmetic number, because the mean of its divisors is an integer number (3851287277019).

Almost surely, 2^{13204413521204} is an apocalyptic number.

It is an amenable number.

13204413521204 is a deficient number, since it is larger than the sum of its proper divisors (9903310140910).

13204413521204 is a wasteful number, since it uses less digits than its factorization.

13204413521204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301103380305 (or 3301103380303 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13204413521204 its reverse (40212531440231), we get a palindrome (53416944961435).

The spelling of 13204413521204 in words is "thirteen trillion, two hundred four billion, four hundred thirteen million, five hundred twenty-one thousand, two hundred four".