201000127358197 has 2 divisors, whose sum is σ = 201000127358198. Its totient is φ = 201000127358196.

The previous prime is 201000127358143. The next prime is 201000127358203. The reversal of 201000127358197 is 791853721000102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145183076049636 + 55817051308561 = 12049194^2 + 7471081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000127358197 is a prime.

It is a super-2 number, since 2×201000127358197² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000127352197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500063679098 + 100500063679099.

It is an arithmetic number, because the mean of its divisors is an integer number (100500063679099).

Almost surely, 2^{201000127358197} is an apocalyptic number.

It is an amenable number.

201000127358197 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000127358197 is an equidigital number, since it uses as much as digits as its factorization.

201000127358197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 46.

Adding to 201000127358197 its reverse (791853721000102), we get a palindrome (992853848358299).

The spelling of 201000127358197 in words is "two hundred one trillion, one hundred twenty-seven million, three hundred fifty-eight thousand, one hundred ninety-seven".