198121248001 has 8 divisors (see below), whose sum is σ = 203139544608. Its totient is φ = 193111812000.

The previous prime is 198121247963. The next prime is 198121248019. The reversal of 198121248001 is 100842121891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198121248001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198121240001) 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, 2169855 + ... + 2259316.

It is an arithmetic number, because the mean of its divisors is an integer number (25392443076).

Almost surely, 2^198121248001 is an apocalyptic number.

It is an amenable number.

198121248001 is a deficient number, since it is larger than the sum of its proper divisors (5018296607).

198121248001 is a wasteful number, since it uses less digits than its factorization.

198121248001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430303.

The product of its (nonzero) digits is 9216, while the sum is 37.

Adding to 198121248001 its reverse (100842121891), we get a palindrome (298963369892).

The spelling of 198121248001 in words is "one hundred ninety-eight billion, one hundred twenty-one million, two hundred forty-eight thousand, one".