6205121201 has 4 divisors (see below), whose sum is σ = 6260033892. Its totient is φ = 6150208512.

The previous prime is 6205121189. The next prime is 6205121257. The reversal of 6205121201 is 1021215026.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1053327025 + 5151794176 = 32455^2 + 71776^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6205121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6205121291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27456176 + ... + 27456401.

It is an arithmetic number, because the mean of its divisors is an integer number (1565008473).

Almost surely, 2^6205121201 is an apocalyptic number.

It is an amenable number.

6205121201 is a deficient number, since it is larger than the sum of its proper divisors (54912691).

6205121201 is a wasteful number, since it uses less digits than its factorization.

6205121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54912690.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 6205121201 is about 78772.5916864489. The cubic root of 6205121201 is about 1837.5962231746.

Adding to 6205121201 its reverse (1021215026), we get a palindrome (7226336227).

The spelling of 6205121201 in words is "six billion, two hundred five million, one hundred twenty-one thousand, two hundred one".