12309122 has 16 divisors (see below), whose sum is σ = 22343040. Its totient is φ = 4964928.

The previous prime is 12309119. The next prime is 12309133. The reversal of 12309122 is 22190321.

12309122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12309094 and 12309103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25622 + ... + 26097.

It is an arithmetic number, because the mean of its divisors is an integer number (1396440).

Almost surely, 2^12309122 is an apocalyptic number.

12309122 is a deficient number, since it is larger than the sum of its proper divisors (10033918).

12309122 is a wasteful number, since it uses less digits than its factorization.

12309122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51745.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12309122 is about 3508.4358338154. The cubic root of 12309122 is about 230.8920742941.

Adding to 12309122 its reverse (22190321), we get a palindrome (34499443).

The spelling of 12309122 in words is "twelve million, three hundred nine thousand, one hundred twenty-two".