200012200123 has 4 divisors (see below), whose sum is σ = 200017352160. Its totient is φ = 200007048088.

The previous prime is 200012200103. The next prime is 200012200127. The reversal of 200012200123 is 321002210002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200012200123 - 2³⁷ = 62573246651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200012200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2517340 + ... + 2595577.

It is an arithmetic number, because the mean of its divisors is an integer number (50004338040).

Almost surely, 2^200012200123 is an apocalyptic number.

200012200123 is a deficient number, since it is larger than the sum of its proper divisors (5152037).

200012200123 is an equidigital number, since it uses as much as digits as its factorization.

200012200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152036.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200012200123 its reverse (321002210002), we get a palindrome (521014410125).

The spelling of 200012200123 in words is "two hundred billion, twelve million, two hundred thousand, one hundred twenty-three".