12340212 has 24 divisors (see below), whose sum is σ = 29190336. Its totient is φ = 4056768.

The previous prime is 12340199. The next prime is 12340271. The reversal of 12340212 is 21204321.

It is a junction number, because it is equal to n+sod(n) for n = 12340191 and 12340200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6168 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (1216264).

Almost surely, 2^12340212 is an apocalyptic number.

12340212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12340212 is an abundant number, since it is smaller than the sum of its proper divisors (16850124).

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

12340212 is a wasteful number, since it uses less digits than its factorization.

12340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14167 (or 14165 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12340212 is about 3512.8637889904. The cubic root of 12340212 is about 231.0863042147.

Adding to 12340212 its reverse (21204321), we get a palindrome (33544533).

The spelling of 12340212 in words is "twelve million, three hundred forty thousand, two hundred twelve".