120012 has 24 divisors (see below), whose sum is σ = 285936. Its totient is φ = 39168.

The previous prime is 120011. The next prime is 120017. The reversal of 120012 is 210021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (11914).

2¹²⁰⁰¹² is an apocalyptic number.

120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012 is an abundant number, since it is smaller than the sum of its proper divisors (165924).

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

120012 is a wasteful number, since it uses less digits than its factorization.

120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 120012 is about 346.4274815889. The cubic root of 120012 is about 49.3258855732.

Adding to 120012 its reverse (210021), we get a palindrome (330033).

Subtracting 120012 from its reverse (210021), we obtain a palindrome (90009).

It can be divided in two parts, 1200 and 12, that multiplied together give a square (14400 = 120²).

The spelling of 120012 in words is "one hundred twenty thousand, twelve", and thus it is an iban number.