12111234 has 16 divisors (see below), whose sum is σ = 24276672. Its totient is φ = 4028048.

The previous prime is 12111221. The next prime is 12111263. The reversal of 12111234 is 43211121.

It is a Curzon number.

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, 1012 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (1517292).

Almost surely, 2^12111234 is an apocalyptic number.

12111234 is an abundant number, since it is smaller than the sum of its proper divisors (12165438).

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

12111234 is a wasteful number, since it uses less digits than its factorization.

12111234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521.

The product of its digits is 48, while the sum is 15.

The square root of 12111234 is about 3480.1198255233. The cubic root of 12111234 is about 229.6480692088.

Adding to 12111234 its reverse (43211121), we get a palindrome (55322355).

The spelling of 12111234 in words is "twelve million, one hundred eleven thousand, two hundred thirty-four".