200012534123 has 2 divisors, whose sum is σ = 200012534124. Its totient is φ = 200012534122.

The previous prime is 200012534081. The next prime is 200012534143. The reversal of 200012534123 is 321435210002.

200012534123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200012534123 - 2¹⁴ = 200012517739 is a prime.

It is not a weakly prime, because it can be changed into another prime (200012534143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006267061 + 100006267062.

It is an arithmetic number, because the mean of its divisors is an integer number (100006267062).

Almost surely, 2^200012534123 is an apocalyptic number.

200012534123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012534123 is an equidigital number, since it uses as much as digits as its factorization.

200012534123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 200012534123 its reverse (321435210002), we get a palindrome (521447744125).

The spelling of 200012534123 in words is "two hundred billion, twelve million, five hundred thirty-four thousand, one hundred twenty-three".