1201121223194 has 16 divisors (see below), whose sum is σ = 1930827068928. Its totient is φ = 558923623632.

The previous prime is 1201121223193. The next prime is 1201121223227. The reversal of 1201121223194 is 4913221211021.

It is not an unprimeable number, because it can be changed into a prime (1201121223191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 352854122 + ... + 352857525.

It is an arithmetic number, because the mean of its divisors is an integer number (120676691808).

Almost surely, 2^{1201121223194} is an apocalyptic number.

1201121223194 is a deficient number, since it is larger than the sum of its proper divisors (729705845734).

1201121223194 is a wasteful number, since it uses less digits than its factorization.

1201121223194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705711709.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1201121223194 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred ninety-four".