120812 has 6 divisors (see below), whose sum is σ = 211428. Its totient is φ = 60404.

The previous prime is 120811. The next prime is 120817. The reversal of 120812 is 218021.

It is not an unprimeable number, because it can be changed into a prime (120811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098 + ... + 15105.

It is an arithmetic number, because the mean of its divisors is an integer number (35238).

2¹²⁰⁸¹² is an apocalyptic number.

It is an amenable number.

120812 is a deficient number, since it is larger than the sum of its proper divisors (90616).

120812 is a wasteful number, since it uses less digits than its factorization.

120812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30207 (or 30205 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 120812 is about 347.5802065711. The cubic root of 120812 is about 49.4352450540.

Adding to 120812 its reverse (218021), we get a palindrome (338833).

The spelling of 120812 in words is "one hundred twenty thousand, eight hundred twelve".