12028122503 has 4 divisors (see below), whose sum is σ = 12035741640. Its totient is φ = 12020503368.

The previous prime is 12028122461. The next prime is 12028122571. The reversal of 12028122503 is 30522182021.

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 12028122503 - 2⁶ = 12028122439 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 (12028122593) 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, 3807200 + ... + 3810357.

It is an arithmetic number, because the mean of its divisors is an integer number (3008935410).

Almost surely, 2^12028122503 is an apocalyptic number.

12028122503 is a deficient number, since it is larger than the sum of its proper divisors (7619137).

12028122503 is an equidigital number, since it uses as much as digits as its factorization.

12028122503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619136.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 12028122503 in words is "twelve billion, twenty-eight million, one hundred twenty-two thousand, five hundred three".