200202100212123 has 8 divisors (see below), whose sum is σ = 296595704018000. Its totient is φ = 133468066808064.

The previous prime is 200202100212113. The next prime is 200202100212131. The reversal of 200202100212123 is 321212001202002.

200202100212123 is a `hidden beast` number, since 200 + 20 + 210 + 0 + 21 + 212 + 3 = 666.

It is not a de Polignac number, because 200202100212123 - 2¹⁷ = 200202100081051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200202100212096 and 200202100212105.

It is not an unprimeable number, because it can be changed into a prime (200202100212113) 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, 3707446300198 + ... + 3707446300251.

It is an arithmetic number, because the mean of its divisors is an integer number (37074463002250).

Almost surely, 2^{200202100212123} is an apocalyptic number.

200202100212123 is a deficient number, since it is larger than the sum of its proper divisors (96393603805877).

200202100212123 is an equidigital number, since it uses as much as digits as its factorization.

200202100212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414892600458 (or 7414892600452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200202100212123 its reverse (321212001202002), we get a palindrome (521414101414125).

The spelling of 200202100212123 in words is "two hundred trillion, two hundred two billion, one hundred million, two hundred twelve thousand, one hundred twenty-three".