12011812003 has 2 divisors, whose sum is σ = 12011812004. Its totient is φ = 12011812002.

The previous prime is 12011811997. The next prime is 12011812013. The reversal of 12011812003 is 30021811021.

It is a weak prime.

It is an emirp because it is prime and its reverse (30021811021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011812003 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011812013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005906001 + 6005906002.

It is an arithmetic number, because the mean of its divisors is an integer number (6005906002).

Almost surely, 2^12011812003 is an apocalyptic number.

12011812003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011812003 is an equidigital number, since it uses as much as digits as its factorization.

12011812003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The spelling of 12011812003 in words is "twelve billion, eleven million, eight hundred twelve thousand, three".