12010003 has 4 divisors (see below), whose sum is σ = 12083848. Its totient is φ = 11936160.

The previous prime is 12009997. The next prime is 12010013. The reversal of 12010003 is 30001021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30001021 = 53 ⋅566057.

It is a cyclic number.

It is not a de Polignac number, because 12010003 - 2⁵ = 12009971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36678 + ... + 37003.

It is an arithmetic number, because the mean of its divisors is an integer number (3020962).

Almost surely, 2^12010003 is an apocalyptic number.

12010003 is a deficient number, since it is larger than the sum of its proper divisors (73845).

12010003 is an equidigital number, since it uses as much as digits as its factorization.

12010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73844.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 12010003 is about 3465.5451230651. The cubic root of 12010003 is about 229.0064451572.

Adding to 12010003 its reverse (30001021), we get a palindrome (42011024).

The spelling of 12010003 in words is "twelve million, ten thousand, three".