12201221201194 has 4 divisors (see below), whose sum is σ = 18301831801794. Its totient is φ = 6100610600596.

The previous prime is 12201221201171. The next prime is 12201221201201. The reversal of 12201221201194 is 49110212210221.

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

It can be written as a sum of positive squares in only one way, i.e., 8561844679969 + 3639376521225 = 2926063^2 + 1907715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050305300297 + ... + 3050305300300.

Almost surely, 2^{12201221201194} is an apocalyptic number.

12201221201194 is a deficient number, since it is larger than the sum of its proper divisors (6100610600600).

12201221201194 is an equidigital number, since it uses as much as digits as its factorization.

12201221201194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100610600599.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 12201221201194 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, one hundred ninety-four".