12432122 has 4 divisors (see below), whose sum is σ = 18648186. Its totient is φ = 6216060.

The previous prime is 12432107. The next prime is 12432163. The reversal of 12432122 is 22123421.

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., 12033961 + 398161 = 3469^2 + 631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12432122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108029 + ... + 3108032.

Almost surely, 2^12432122 is an apocalyptic number.

12432122 is a deficient number, since it is larger than the sum of its proper divisors (6216064).

12432122 is an equidigital number, since it uses as much as digits as its factorization.

12432122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216063.

The product of its digits is 192, while the sum is 17.

The square root of 12432122 is about 3525.9214398509. The cubic root of 12432122 is about 231.6585966399.

Adding to 12432122 its reverse (22123421), we get a palindrome (34555543).

The spelling of 12432122 in words is "twelve million, four hundred thirty-two thousand, one hundred twenty-two".