12150238 has 4 divisors (see below), whose sum is σ = 18225360. Its totient is φ = 6075118.

The previous prime is 12150221. The next prime is 12150239. The reversal of 12150238 is 83205121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83205121 = 89 ⋅934889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3037558 + ... + 3037561.

It is an arithmetic number, because the mean of its divisors is an integer number (4556340).

Almost surely, 2^12150238 is an apocalyptic number.

12150238 is a deficient number, since it is larger than the sum of its proper divisors (6075122).

12150238 is an equidigital number, since it uses as much as digits as its factorization.

12150238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075121.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12150238 is about 3485.7191510505. The cubic root of 12150238 is about 229.8943307918.

Adding to 12150238 its reverse (83205121), we get a palindrome (95355359).

The spelling of 12150238 in words is "twelve million, one hundred fifty thousand, two hundred thirty-eight".