12011040003 has 4 divisors (see below), whose sum is σ = 16014720008. Its totient is φ = 8007360000.

The previous prime is 12011039983. The next prime is 12011040023. The reversal of 12011040003 is 30004011021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12011039983) and next prime (12011040023).

It is not a de Polignac number, because 12011040003 - 2²² = 12006845699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011040023) 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 3 ways as a sum of consecutive naturals, for example, 2001839998 + ... + 2001840003.

It is an arithmetic number, because the mean of its divisors is an integer number (4003680002).

Almost surely, 2^12011040003 is an apocalyptic number.

12011040003 is a deficient number, since it is larger than the sum of its proper divisors (4003680005).

12011040003 is an equidigital number, since it uses as much as digits as its factorization.

12011040003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003680004.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12011040003 its reverse (30004011021), we get a palindrome (42015051024).

The spelling of 12011040003 in words is "twelve billion, eleven million, forty thousand, three".