205000501201 has 2 divisors, whose sum is σ = 205000501202. Its totient is φ = 205000501200.

The previous prime is 205000501127. The next prime is 205000501207. The reversal of 205000501201 is 102105000502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200332332225 + 4668168976 = 447585^2 + 68324^2 .

It is a cyclic number.

It is not a de Polignac number, because 205000501201 - 2⁷ = 205000501073 is a prime.

It is a super-2 number, since 2×205000501201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205000501207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102500250600 + 102500250601.

It is an arithmetic number, because the mean of its divisors is an integer number (102500250601).

Almost surely, 2^205000501201 is an apocalyptic number.

It is an amenable number.

205000501201 is a deficient number, since it is larger than the sum of its proper divisors (1).

205000501201 is an equidigital number, since it uses as much as digits as its factorization.

205000501201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

Adding to 205000501201 its reverse (102105000502), we get a palindrome (307105501703).

The spelling of 205000501201 in words is "two hundred five billion, five hundred one thousand, two hundred one".