12301212 has 48 divisors (see below), whose sum is σ = 35788032. Its totient is φ = 3194880.

The previous prime is 12301153. The next prime is 12301229. The reversal of 12301212 is 21210321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5733 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (745584).

Almost surely, 2^12301212 is an apocalyptic number.

12301212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12301212 is an abundant number, since it is smaller than the sum of its proper divisors (23486820).

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

12301212 is a wasteful number, since it uses less digits than its factorization.

12301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13338 (or 13336 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12301212 is about 3507.3083696761. The cubic root of 12301212 is about 230.8426056247.

Adding to 12301212 its reverse (21210321), we get a palindrome (33511533).

It can be divided in two parts, 1230 and 1212, that added together give a palindrome (2442).

The spelling of 12301212 in words is "twelve million, three hundred one thousand, two hundred twelve".