12052138 has 24 divisors (see below), whose sum is σ = 21948192. Its totient is φ = 4939704.

The previous prime is 12052129. The next prime is 12052151. The reversal of 12052138 is 83125021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420 + ... + 4927.

It is an arithmetic number, because the mean of its divisors is an integer number (914508).

Almost surely, 2^12052138 is an apocalyptic number.

12052138 is a deficient number, since it is larger than the sum of its proper divisors (9896054).

12052138 is a wasteful number, since it uses less digits than its factorization.

12052138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386 (or 5379 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12052138 is about 3471.6189307008. The cubic root of 12052138 is about 229.2739422968.

Adding to 12052138 its reverse (83125021), we get a palindrome (95177159).

The spelling of 12052138 in words is "twelve million, fifty-two thousand, one hundred thirty-eight".