200004123121234 has 16 divisors (see below), whose sum is σ = 309191584030560. Its totient is φ = 96973724070720.

The previous prime is 200004123121217. The next prime is 200004123121241. The reversal of 200004123121234 is 432121321400002.

It is a junction number, because it is equal to n+sod(n) for n = 200004123121199 and 200004123121208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8365561207 + ... + 8365585114.

It is an arithmetic number, because the mean of its divisors is an integer number (19324474001910).

Almost surely, 2^{200004123121234} is an apocalyptic number.

200004123121234 is a deficient number, since it is larger than the sum of its proper divisors (109187460909326).

200004123121234 is a wasteful number, since it uses less digits than its factorization.

200004123121234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16731146505.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 200004123121234 its reverse (432121321400002), we get a palindrome (632125444521236).

The spelling of 200004123121234 in words is "two hundred trillion, four billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty-four".