1000004012003 has 2 divisors, whose sum is σ = 1000004012004. Its totient is φ = 1000004012002.

The previous prime is 1000004011997. The next prime is 1000004012017. The reversal of 1000004012003 is 3002104000001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000004012003 - 2¹⁴ = 1000003995619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000004012083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500002006001 + 500002006002.

It is an arithmetic number, because the mean of its divisors is an integer number (500002006002).

Almost surely, 2^{1000004012003} is an apocalyptic number.

1000004012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000004012003 is an equidigital number, since it uses as much as digits as its factorization.

1000004012003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1000004012003 its reverse (3002104000001), we get a palindrome (4002108012004).

The spelling of 1000004012003 in words is "one trillion, four million, twelve thousand, three".