188012 has 12 divisors (see below), whose sum is σ = 359016. Its totient is φ = 85440.

The previous prime is 188011. The next prime is 188017. The reversal of 188012 is 210881.

188012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×188012³ = 19937833395653184, which contains 333 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (29918).

2¹⁸⁸⁰¹² is an apocalyptic number.

It is an amenable number.

188012 is a deficient number, since it is larger than the sum of its proper divisors (171004).

188012 is a wasteful number, since it uses less digits than its factorization.

188012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4286 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 188012 is about 433.6035055209. The cubic root of 188012 is about 57.2877619965.

Adding to 188012 its reverse (210881), we get a palindrome (398893).

The spelling of 188012 in words is "one hundred eighty-eight thousand, twelve".