12042107 has 16 divisors (see below), whose sum is σ = 15366912. Its totient is φ = 9162720.

The previous prime is 12042091. The next prime is 12042109. The reversal of 12042107 is 70124021.

It is not a de Polignac number, because 12042107 - 2⁴ = 12042091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12042109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (960432).

Almost surely, 2^12042107 is an apocalyptic number.

12042107 is a deficient number, since it is larger than the sum of its proper divisors (3324805).

12042107 is a wasteful number, since it uses less digits than its factorization.

12042107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12042107 is about 3470.1739149501. The cubic root of 12042107 is about 229.2103163723.

Adding to 12042107 its reverse (70124021), we get a palindrome (82166128).

The spelling of 12042107 in words is "twelve million, forty-two thousand, one hundred seven".