120189195572 has 6 divisors (see below), whose sum is σ = 210331092258. Its totient is φ = 60094597784.

The previous prime is 120189195571. The next prime is 120189195619. The reversal of 120189195572 is 275591981021.

It can be written as a sum of positive squares in only one way, i.e., 119988803236 + 200392336 = 346394^2 + 14156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120189195572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120189195571) by changing a digit.

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 as a sum of consecutive naturals, namely, 15023649443 + ... + 15023649450.

It is an arithmetic number, because the mean of its divisors is an integer number (35055182043).

Almost surely, 2^120189195572 is an apocalyptic number.

It is an amenable number.

120189195572 is a deficient number, since it is larger than the sum of its proper divisors (90141896686).

120189195572 is a wasteful number, since it uses less digits than its factorization.

120189195572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30047298897 (or 30047298895 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 50.

The spelling of 120189195572 in words is "one hundred twenty billion, one hundred eighty-nine million, one hundred ninety-five thousand, five hundred seventy-two".