13321203201 has 12 divisors (see below), whose sum is σ = 19432251540. Its totient is φ = 8792872800.

The previous prime is 13321203193. The next prime is 13321203229. The reversal of 13321203201 is 10230212331.

13321203201 is a `hidden beast` number, since 1 + 3 + 321 + 20 + 320 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8251905600 + 5069297601 = 90840^2 + 71199^2 .

It is not a de Polignac number, because 13321203201 - 2³ = 13321203193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321202201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7326486 + ... + 7328303.

It is an arithmetic number, because the mean of its divisors is an integer number (1619354295).

Almost surely, 2^13321203201 is an apocalyptic number.

It is an amenable number.

13321203201 is a deficient number, since it is larger than the sum of its proper divisors (6111048339).

13321203201 is a wasteful number, since it uses less digits than its factorization.

13321203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14654896 (or 14654893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13321203201 its reverse (10230212331), we get a palindrome (23551415532).

The spelling of 13321203201 in words is "thirteen billion, three hundred twenty-one million, two hundred three thousand, two hundred one".