12122434 has 4 divisors (see below), whose sum is σ = 18183654. Its totient is φ = 6061216.

The previous prime is 12122419. The next prime is 12122443. The reversal of 12122434 is 43422121.

12122434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43422121 = 89 ⋅487889.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 1863225 = 3203^2 + 1365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030607 + ... + 3030610.

Almost surely, 2^12122434 is an apocalyptic number.

12122434 is a deficient number, since it is larger than the sum of its proper divisors (6061220).

12122434 is an equidigital number, since it uses as much as digits as its factorization.

12122434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061219.

The product of its digits is 384, while the sum is 19.

The square root of 12122434 is about 3481.7285936730. The cubic root of 12122434 is about 229.7188372780.

Adding to 12122434 its reverse (43422121), we get a palindrome (55544555).

The spelling of 12122434 in words is "twelve million, one hundred twenty-two thousand, four hundred thirty-four".