12120282 has 12 divisors (see below), whose sum is σ = 26260650. Its totient is φ = 4040088.

The previous prime is 12120257. The next prime is 12120293. The reversal of 12120282 is 28202121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 5103081 = 2649^2 + 2259^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 673349 = 12120282 / (1 + 2 + 1 + 2 + 0 + 2 + 8 + 2).

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 5 ways as a sum of consecutive naturals, for example, 336657 + ... + 336692.

Almost surely, 2^12120282 is an apocalyptic number.

12120282 is an abundant number, since it is smaller than the sum of its proper divisors (14140368).

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

12120282 is a wasteful number, since it uses less digits than its factorization.

12120282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673357 (or 673354 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12120282 is about 3481.4195380620. The cubic root of 12120282 is about 229.7052430830.

The spelling of 12120282 in words is "twelve million, one hundred twenty thousand, two hundred eighty-two".