12002102198 has 4 divisors (see below), whose sum is σ = 18003153300. Its totient is φ = 6001051098.

The previous prime is 12002102183. The next prime is 12002102243. The reversal of 12002102198 is 89120120021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89120120021 = 23 ⋅3874787827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000525548 + ... + 3000525551.

It is an arithmetic number, because the mean of its divisors is an integer number (4500788325).

Almost surely, 2^12002102198 is an apocalyptic number.

12002102198 is a deficient number, since it is larger than the sum of its proper divisors (6001051102).

12002102198 is an equidigital number, since it uses as much as digits as its factorization.

12002102198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001051101.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12002102198 in words is "twelve billion, two million, one hundred two thousand, one hundred ninety-eight".