12150422 has 4 divisors (see below), whose sum is σ = 18225636. Its totient is φ = 6075210.

The previous prime is 12150421. The next prime is 12150431. The reversal of 12150422 is 22405121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22405121 = 617 ⋅36313.

It is a self number, because there is not a number n which added to its sum of digits gives 12150422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150421) 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, 3037604 + ... + 3037607.

It is an arithmetic number, because the mean of its divisors is an integer number (4556409).

Almost surely, 2^12150422 is an apocalyptic number.

12150422 is a deficient number, since it is larger than the sum of its proper divisors (6075214).

12150422 is an equidigital number, since it uses as much as digits as its factorization.

12150422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075213.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12150422 is about 3485.7455443563. The cubic root of 12150422 is about 229.8954912723.

Adding to 12150422 its reverse (22405121), we get a palindrome (34555543).

The spelling of 12150422 in words is "twelve million, one hundred fifty thousand, four hundred twenty-two".