12234312 has 48 divisors (see below), whose sum is σ = 33296640. Its totient is φ = 4058208.

The previous prime is 12234311. The next prime is 12234329. The reversal of 12234312 is 21343221.

12234312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12234312² = 299356780226688, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12234311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26193 + ... + 26655.

It is an arithmetic number, because the mean of its divisors is an integer number (693680).

Almost surely, 2^12234312 is an apocalyptic number.

12234312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12234312 is an abundant number, since it is smaller than the sum of its proper divisors (21062328).

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

12234312 is a wasteful number, since it uses less digits than its factorization.

12234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 835 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12234312 is about 3497.7581391514. The cubic root of 12234312 is about 230.4233664091.

Adding to 12234312 its reverse (21343221), we get a palindrome (33577533).

The spelling of 12234312 in words is "twelve million, two hundred thirty-four thousand, three hundred twelve".