12001222320198 has 32 divisors (see below), whose sum is σ = 24049881816576. Its totient is φ = 3992509035648.

The previous prime is 12001222320149. The next prime is 12001222320211. The reversal of 12001222320198 is 89102322210021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5194590 + ... + 7140462.

It is an arithmetic number, because the mean of its divisors is an integer number (751558806768).

Almost surely, 2^{12001222320198} is an apocalyptic number.

12001222320198 is an abundant number, since it is smaller than the sum of its proper divisors (12048659496378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001222320198 is a wasteful number, since it uses less digits than its factorization.

12001222320198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947908.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 12001222320198 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred twenty thousand, one hundred ninety-eight".