12200221109978 has 64 divisors (see below), whose sum is σ = 20854364571648. Its totient is φ = 5298752733120.

The previous prime is 12200221109911. The next prime is 12200221110019. The reversal of 12200221109978 is 87990112200221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3122655101 + ... + 3122659007.

It is an arithmetic number, because the mean of its divisors is an integer number (325849446432).

Almost surely, 2^{12200221109978} is an apocalyptic number.

12200221109978 is a deficient number, since it is larger than the sum of its proper divisors (8654143461670).

12200221109978 is a wasteful number, since it uses less digits than its factorization.

12200221109978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 12200221109978 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred nine thousand, nine hundred seventy-eight".