12120298 has 4 divisors (see below), whose sum is σ = 18180450. Its totient is φ = 6060148.

The previous prime is 12120293. The next prime is 12120301. The reversal of 12120298 is 89202121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6953769 + 5166529 = 2637^2 + 2273^2 .

It is not an unprimeable number, because it can be changed into a prime (12120293) by changing a digit.

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 as a sum of consecutive naturals, namely, 3030073 + ... + 3030076.

Almost surely, 2^12120298 is an apocalyptic number.

12120298 is a deficient number, since it is larger than the sum of its proper divisors (6060152).

12120298 is an equidigital number, since it uses as much as digits as its factorization.

12120298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060151.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12120298 is about 3481.4218359745. The cubic root of 12120298 is about 229.7053441611.

The spelling of 12120298 in words is "twelve million, one hundred twenty thousand, two hundred ninety-eight".