12012236 has 12 divisors (see below), whose sum is σ = 21215040. Its totient is φ = 5950800.

The previous prime is 12012197. The next prime is 12012257. The reversal of 12012236 is 63221021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13340 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (1767920).

Almost surely, 2^12012236 is an apocalyptic number.

It is an amenable number.

12012236 is a deficient number, since it is larger than the sum of its proper divisors (9202804).

12012236 is a wasteful number, since it uses less digits than its factorization.

12012236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27664 (or 27662 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12012236 is about 3465.8672796286. The cubic root of 12012236 is about 229.0206372075.

Adding to 12012236 its reverse (63221021), we get a palindrome (75233257).

The spelling of 12012236 in words is "twelve million, twelve thousand, two hundred thirty-six".