12042234 has 24 divisors (see below), whose sum is σ = 26388180. Its totient is φ = 3968448.

The previous prime is 12042197. The next prime is 12042241. The reversal of 12042234 is 43224021.

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 119025 = 3453^2 + 345^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2157 + ... + 5360.

Almost surely, 2^12042234 is an apocalyptic number.

12042234 is an abundant number, since it is smaller than the sum of its proper divisors (14345946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042234 is a wasteful number, since it uses less digits than its factorization.

12042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614 (or 7611 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12042234 is about 3470.1922136965. The cubic root of 12042234 is about 229.2111221451.

Adding to 12042234 its reverse (43224021), we get a palindrome (55266255).

The spelling of 12042234 in words is "twelve million, forty-two thousand, two hundred thirty-four".