12019120 has 20 divisors (see below), whose sum is σ = 27944640. Its totient is φ = 4807616.

The previous prime is 12019099. The next prime is 12019151. The reversal of 12019120 is 2191021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12019094 and 12019103.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 75040 + ... + 75199.

It is an arithmetic number, because the mean of its divisors is an integer number (1397232).

Almost surely, 2^12019120 is an apocalyptic number.

12019120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12019120 is an abundant number, since it is smaller than the sum of its proper divisors (15925520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12019120 is a wasteful number, since it uses less digits than its factorization.

12019120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150252 (or 150246 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12019120 is about 3466.8602510052. The cubic root of 12019120 is about 229.0643780785.

The spelling of 12019120 in words is "twelve million, nineteen thousand, one hundred twenty".