200212010122123 has 4 divisors (see below), whose sum is σ = 200855778643728. Its totient is φ = 199568241600520.

The previous prime is 200212010122099. The next prime is 200212010122129. The reversal of 200212010122123 is 321221010212002.

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 200212010122123 - 2³³ = 200203420187531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200212010122123.

It is not an unprimeable number, because it can be changed into a prime (200212010122129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321884260336 + ... + 321884260957.

It is an arithmetic number, because the mean of its divisors is an integer number (50213944660932).

Almost surely, 2^{200212010122123} is an apocalyptic number.

200212010122123 is a deficient number, since it is larger than the sum of its proper divisors (643768521605).

200212010122123 is an equidigital number, since it uses as much as digits as its factorization.

200212010122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643768521604.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 200212010122123 its reverse (321221010212002), we get a palindrome (521433020334125).

The spelling of 200212010122123 in words is "two hundred trillion, two hundred twelve billion, ten million, one hundred twenty-two thousand, one hundred twenty-three".