120612 has 36 divisors (see below), whose sum is σ = 309680. Its totient is φ = 36432.

The previous prime is 120607. The next prime is 120619. The reversal of 120612 is 216021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120619) by changing a digit.

120612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5233 + ... + 5255.

2¹²⁰⁶¹² is an apocalyptic number.

120612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154840).

120612 is an abundant number, since it is smaller than the sum of its proper divisors (189068).

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

120612 is a wasteful number, since it uses less digits than its factorization.

120612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120612 is about 347.2923840225. The cubic root of 120612 is about 49.4079505526.

Adding to 120612 its reverse (216021), we get a palindrome (336633).

The spelling of 120612 in words is "one hundred twenty thousand, six hundred twelve".