200012112197 has 2 divisors, whose sum is σ = 200012112198. Its totient is φ = 200012112196.

The previous prime is 200012112169. The next prime is 200012112203. The reversal of 200012112197 is 791211210002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170921057476 + 29091054721 = 413426^2 + 170561^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012112197 - 2¹⁴ = 200012095813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200012117197) 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 as a sum of consecutive naturals, namely, 100006056098 + 100006056099.

It is an arithmetic number, because the mean of its divisors is an integer number (100006056099).

Almost surely, 2^200012112197 is an apocalyptic number.

It is an amenable number.

200012112197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012112197 is an equidigital number, since it uses as much as digits as its factorization.

200012112197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 200012112197 its reverse (791211210002), we get a palindrome (991223322199).

The spelling of 200012112197 in words is "two hundred billion, twelve million, one hundred twelve thousand, one hundred ninety-seven".