12127210 has 16 divisors (see below), whose sum is σ = 22778496. Its totient is φ = 4639888.

The previous prime is 12127207. The next prime is 12127217. The reversal of 12127210 is 1272121.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12127217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26134 + ... + 26593.

It is an arithmetic number, because the mean of its divisors is an integer number (1423656).

Almost surely, 2^12127210 is an apocalyptic number.

12127210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12127210 is a deficient number, since it is larger than the sum of its proper divisors (10651286).

12127210 is a wasteful number, since it uses less digits than its factorization.

12127210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52757.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 12127210 is about 3482.4143923433. The cubic root of 12127210 is about 229.7490015479.

Adding to 12127210 its reverse (1272121), we get a palindrome (13399331).

The spelling of 12127210 in words is "twelve million, one hundred twenty-seven thousand, two hundred ten".