200312001171251 has 2 divisors, whose sum is σ = 200312001171252. Its totient is φ = 200312001171250.

The previous prime is 200312001171223. The next prime is 200312001171253. The reversal of 200312001171251 is 152171100213002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200312001171251 - 2¹⁰ = 200312001170227 is a prime.

Together with 200312001171253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200312001171251.

It is not a weakly prime, because it can be changed into another prime (200312001171253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100156000585625 + 100156000585626.

It is an arithmetic number, because the mean of its divisors is an integer number (100156000585626).

Almost surely, 2^{200312001171251} is an apocalyptic number.

200312001171251 is a deficient number, since it is larger than the sum of its proper divisors (1).

200312001171251 is an equidigital number, since it uses as much as digits as its factorization.

200312001171251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 200312001171251 its reverse (152171100213002), we get a palindrome (352483101384253).

The spelling of 200312001171251 in words is "two hundred trillion, three hundred twelve billion, one million, one hundred seventy-one thousand, two hundred fifty-one".