12012242 has 16 divisors (see below), whose sum is σ = 19980864. Its totient is φ = 5370000.

The previous prime is 12012197. The next prime is 12012257. The reversal of 12012242 is 24221021.

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 7 ways as a sum of consecutive naturals, for example, 3134 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (1248804).

Almost surely, 2^12012242 is an apocalyptic number.

12012242 is a deficient number, since it is larger than the sum of its proper divisors (7968622).

12012242 is a wasteful number, since it uses less digits than its factorization.

12012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12012242 is about 3465.8681452127. The cubic root of 12012242 is about 229.0206753388.

Adding to 12012242 its reverse (24221021), we get a palindrome (36233263).

It can be divided in two parts, 1201 and 2242, that added together give a palindrome (3443).

The spelling of 12012242 in words is "twelve million, twelve thousand, two hundred forty-two".