200032123121 has 8 divisors (see below), whose sum is σ = 200610970560. Its totient is φ = 199453836528.

The previous prime is 200032123117. The next prime is 200032123129. The reversal of 200032123121 is 121321230002.

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 200032123121 - 2² = 200032123117 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 200032123121.

It is not an unprimeable number, because it can be changed into a prime (200032123129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579470 + ... + 857816.

It is an arithmetic number, because the mean of its divisors is an integer number (25076371320).

Almost surely, 2^200032123121 is an apocalyptic number.

It is an amenable number.

200032123121 is a deficient number, since it is larger than the sum of its proper divisors (578847439).

200032123121 is a wasteful number, since it uses less digits than its factorization.

200032123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280423.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200032123121 its reverse (121321230002), we get a palindrome (321353353123).

The spelling of 200032123121 in words is "two hundred billion, thirty-two million, one hundred twenty-three thousand, one hundred twenty-one".