12001042 has 8 divisors (see below), whose sum is σ = 18420336. Its totient is φ = 5860932.

The previous prime is 12001037. The next prime is 12001051. The reversal of 12001042 is 24010021.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 69688 + ... + 69859.

It is an arithmetic number, because the mean of its divisors is an integer number (2302542).

Almost surely, 2^12001042 is an apocalyptic number.

12001042 is a deficient number, since it is larger than the sum of its proper divisors (6419294).

12001042 is a wasteful number, since it uses less digits than its factorization.

12001042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139592.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12001042 is about 3464.2520116181. The cubic root of 12001042 is about 228.9494749424.

Adding to 12001042 its reverse (24010021), we get a palindrome (36011063).

The spelling of 12001042 in words is "twelve million, one thousand, forty-two".