12105226 has 16 divisors (see below), whose sum is σ = 21194496. Its totient is φ = 5077296.

The previous prime is 12105211. The next prime is 12105271. The reversal of 12105226 is 62250121.

It is a super-2 number, since 2×12105226² = 293072993022152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541 + ... + 9856.

It is an arithmetic number, because the mean of its divisors is an integer number (1324656).

Almost surely, 2^12105226 is an apocalyptic number.

12105226 is a deficient number, since it is larger than the sum of its proper divisors (9089270).

12105226 is a wasteful number, since it uses less digits than its factorization.

12105226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18453.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12105226 is about 3479.2565297776. The cubic root of 12105226 is about 229.6100892142.

Adding to 12105226 its reverse (62250121), we get a palindrome (74355347).

The spelling of 12105226 in words is "twelve million, one hundred five thousand, two hundred twenty-six".