5121321201 has 8 divisors (see below), whose sum is σ = 7587142560. Its totient is φ = 3414214116.

The previous prime is 5121321187. The next prime is 5121321209. The reversal of 5121321201 is 1021231215.

5121321201 is a `hidden beast` number, since 512 + 1 + 32 + 120 + 1 = 666.

It is not a de Polignac number, because 5121321201 - 2¹⁰ = 5121320177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5121321209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94839255 + ... + 94839308.

It is an arithmetic number, because the mean of its divisors is an integer number (948392820).

Almost surely, 2^5121321201 is an apocalyptic number.

It is an amenable number.

5121321201 is a deficient number, since it is larger than the sum of its proper divisors (2465821359).

5121321201 is a wasteful number, since it uses less digits than its factorization.

5121321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189678572 (or 189678566 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 5121321201 is about 71563.4068571361. The cubic root of 5121321201 is about 1723.6959914246.

Adding to 5121321201 its reverse (1021231215), we get a palindrome (6142552416).

The spelling of 5121321201 in words is "five billion, one hundred twenty-one million, three hundred twenty-one thousand, two hundred one".