200000212123 has 8 divisors (see below), whose sum is σ = 200682352640. Its totient is φ = 199318271400.

The previous prime is 200000212051. The next prime is 200000212141. The reversal of 200000212123 is 321212000002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200000212123 - 2²¹ = 199998114971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200000212523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114698 + ... + 2207248.

It is an arithmetic number, because the mean of its divisors is an integer number (25085294080).

Almost surely, 2^200000212123 is an apocalyptic number.

200000212123 is a deficient number, since it is larger than the sum of its proper divisors (682140517).

200000212123 is an equidigital number, since it uses as much as digits as its factorization.

200000212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99897.

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

Adding to 200000212123 its reverse (321212000002), we get a palindrome (521212212125).

The spelling of 200000212123 in words is "two hundred billion, two hundred twelve thousand, one hundred twenty-three".