120019112 has 8 divisors (see below), whose sum is σ = 225035850. Its totient is φ = 60009552.

The previous prime is 120019111. The next prime is 120019117. The reversal of 120019112 is 211910021.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 3076516 = 10814^2 + 1754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120019111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7501187 + ... + 7501202.

Almost surely, 2^120019112 is an apocalyptic number.

It is an amenable number.

120019112 is a deficient number, since it is larger than the sum of its proper divisors (105016738).

120019112 is a wasteful number, since it uses less digits than its factorization.

120019112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002395 (or 15002391 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 120019112 is about 10955.3234548324. The cubic root of 120019112 is about 493.2685991678.

Adding to 120019112 its reverse (211910021), we get a palindrome (331929133).

The spelling of 120019112 in words is "one hundred twenty million, nineteen thousand, one hundred twelve".