12212044 has 12 divisors (see below), whose sum is σ = 23015104. Its totient is φ = 5636304.

The previous prime is 12212029. The next prime is 12212051. The reversal of 12212044 is 44021221.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 117372 + ... + 117475.

Almost surely, 2^12212044 is an apocalyptic number.

It is an amenable number.

12212044 is a deficient number, since it is larger than the sum of its proper divisors (10803060).

12212044 is a wasteful number, since it uses less digits than its factorization.

12212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234864 (or 234862 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12212044 is about 3494.5735075972. The cubic root of 12212044 is about 230.2834815852.

Adding to 12212044 its reverse (44021221), we get a palindrome (56233265).

The spelling of 12212044 in words is "twelve million, two hundred twelve thousand, forty-four".