12051212 has 12 divisors (see below), whose sum is σ = 21604296. Its totient is φ = 5878560.

The previous prime is 12051209. The next prime is 12051227. The reversal of 12051212 is 21215021.

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, 36578 + ... + 36905.

It is an arithmetic number, because the mean of its divisors is an integer number (1800358).

Almost surely, 2^12051212 is an apocalyptic number.

It is an amenable number.

12051212 is a deficient number, since it is larger than the sum of its proper divisors (9553084).

12051212 is a wasteful number, since it uses less digits than its factorization.

12051212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73528 (or 73526 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12051212 is about 3471.4855609667. The cubic root of 12051212 is about 229.2680702236.

Adding to 12051212 its reverse (21215021), we get a palindrome (33266233).

The spelling of 12051212 in words is "twelve million, fifty-one thousand, two hundred twelve".