12425122 has 4 divisors (see below), whose sum is σ = 18637686. Its totient is φ = 6212560.

The previous prime is 12425117. The next prime is 12425131. The reversal of 12425122 is 22152421.

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., 8300161 + 4124961 = 2881^2 + 2031^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12425122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106279 + ... + 3106282.

Almost surely, 2^12425122 is an apocalyptic number.

12425122 is a deficient number, since it is larger than the sum of its proper divisors (6212564).

12425122 is an equidigital number, since it uses as much as digits as its factorization.

12425122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212563.

The product of its digits is 320, while the sum is 19.

The square root of 12425122 is about 3524.9286517602. The cubic root of 12425122 is about 231.6151094373.

Adding to 12425122 its reverse (22152421), we get a palindrome (34577543).

The spelling of 12425122 in words is "twelve million, four hundred twenty-five thousand, one hundred twenty-two".