200001202212157 has 2 divisors, whose sum is σ = 200001202212158. Its totient is φ = 200001202212156.

The previous prime is 200001202212139. The next prime is 200001202212247. The reversal of 200001202212157 is 751212202100002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199770351752196 + 230850459961 = 14134014^2 + 480469^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001202212157 - 2¹¹ = 200001202210109 is a prime.

It is a super-2 number, since 2×200001202212157² (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 (200001202212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000601106078 + 100000601106079.

It is an arithmetic number, because the mean of its divisors is an integer number (100000601106079).

Almost surely, 2^{200001202212157} is an apocalyptic number.

It is an amenable number.

200001202212157 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001202212157 is an equidigital number, since it uses as much as digits as its factorization.

200001202212157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 200001202212157 its reverse (751212202100002), we get a palindrome (951213404312159).

The spelling of 200001202212157 in words is "two hundred trillion, one billion, two hundred two million, two hundred twelve thousand, one hundred fifty-seven".