200220020212123 has 4 divisors (see below), whose sum is σ = 200221465262760. Its totient is φ = 200218575161488.

The previous prime is 200220020212117. The next prime is 200220020212151. The reversal of 200220020212123 is 321212020022002.

200220020212123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200220020212123 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 200220020212123.

It is not an unprimeable number, because it can be changed into a prime (200220020212183) 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, 722317465 + ... + 722594602.

It is an arithmetic number, because the mean of its divisors is an integer number (50055366315690).

Almost surely, 2^{200220020212123} is an apocalyptic number.

200220020212123 is a deficient number, since it is larger than the sum of its proper divisors (1445050637).

200220020212123 is a wasteful number, since it uses less digits than its factorization.

200220020212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445050636.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 200220020212123 its reverse (321212020022002), we get a palindrome (521432040234125).

The spelling of 200220020212123 in words is "two hundred trillion, two hundred twenty billion, twenty million, two hundred twelve thousand, one hundred twenty-three".