12030504020303 has 4 divisors (see below), whose sum is σ = 12031671700608. Its totient is φ = 12029336340000.

The previous prime is 12030504020281. The next prime is 12030504020323. The reversal of 12030504020303 is 30302040503021.

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

It is a cyclic number.

It is not a de Polignac number, because 12030504020303 - 2⁸ = 12030504020047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030504020323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583824698 + ... + 583845303.

It is an arithmetic number, because the mean of its divisors is an integer number (3007917925152).

Almost surely, 2^{12030504020303} is an apocalyptic number.

12030504020303 is a deficient number, since it is larger than the sum of its proper divisors (1167680305).

12030504020303 is a wasteful number, since it uses less digits than its factorization.

12030504020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167680304.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 12030504020303 its reverse (30302040503021), we get a palindrome (42332544523324).

The spelling of 12030504020303 in words is "twelve trillion, thirty billion, five hundred four million, twenty thousand, three hundred three".