200003012112391 has 2 divisors, whose sum is σ = 200003012112392. Its totient is φ = 200003012112390.

The previous prime is 200003012112377. The next prime is 200003012112439. The reversal of 200003012112391 is 193211210300002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200003012112391 - 2⁹ = 200003012111879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200003012112331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001506056195 + 100001506056196.

It is an arithmetic number, because the mean of its divisors is an integer number (100001506056196).

Almost surely, 2^{200003012112391} is an apocalyptic number.

200003012112391 is a deficient number, since it is larger than the sum of its proper divisors (1).

200003012112391 is an equidigital number, since it uses as much as digits as its factorization.

200003012112391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 200003012112391 its reverse (193211210300002), we get a palindrome (393214222412393).

The spelling of 200003012112391 in words is "two hundred trillion, three billion, twelve million, one hundred twelve thousand, three hundred ninety-one".