12144212 has 6 divisors (see below), whose sum is σ = 21252378. Its totient is φ = 6072104.

The previous prime is 12144199. The next prime is 12144217. The reversal of 12144212 is 21244121.

12144212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 1359556 = 3284^2 + 1166^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518023 + ... + 1518030.

It is an arithmetic number, because the mean of its divisors is an integer number (3542063).

Almost surely, 2^12144212 is an apocalyptic number.

It is an amenable number.

12144212 is a deficient number, since it is larger than the sum of its proper divisors (9108166).

12144212 is a wasteful number, since it uses less digits than its factorization.

12144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036057 (or 3036055 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 12144212 is about 3484.8546598101. The cubic root of 12144212 is about 229.8563185782.

Adding to 12144212 its reverse (21244121), we get a palindrome (33388333).

Subtracting 12144212 from its reverse (21244121), we obtain a palindrome (9099909).

The spelling of 12144212 in words is "twelve million, one hundred forty-four thousand, two hundred twelve".