12030200505 has 12 divisors (see below), whose sum is σ = 20852347620. Its totient is φ = 6416106912.

The previous prime is 12030200503. The next prime is 12030200557. The reversal of 12030200505 is 50500203021.

It is a happy number.

12030200505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8584393104 + 3445807401 = 92652^2 + 58701^2 .

It is not a de Polignac number, because 12030200505 - 2¹ = 12030200503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12030200503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133668850 + ... + 133668939.

It is an arithmetic number, because the mean of its divisors is an integer number (1737695635).

Almost surely, 2^12030200505 is an apocalyptic number.

12030200505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12030200505 is a deficient number, since it is larger than the sum of its proper divisors (8822147115).

12030200505 is a wasteful number, since it uses less digits than its factorization.

12030200505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267337800 (or 267337797 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 12030200505 its reverse (50500203021), we get a palindrome (62530403526).

The spelling of 12030200505 in words is "twelve billion, thirty million, two hundred thousand, five hundred five".