12023420198 has 4 divisors (see below), whose sum is σ = 18035130300. Its totient is φ = 6011710098.

The previous prime is 12023420183. The next prime is 12023420207. The reversal of 12023420198 is 89102432021.

12023420198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005855048 + ... + 3005855051.

It is an arithmetic number, because the mean of its divisors is an integer number (4508782575).

Almost surely, 2^12023420198 is an apocalyptic number.

12023420198 is a deficient number, since it is larger than the sum of its proper divisors (6011710102).

12023420198 is an equidigital number, since it uses as much as digits as its factorization.

12023420198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011710101.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 12023420198 in words is "twelve billion, twenty-three million, four hundred twenty thousand, one hundred ninety-eight".