12020304451 has 2 divisors, whose sum is σ = 12020304452. Its totient is φ = 12020304450.

The previous prime is 12020304403. The next prime is 12020304503. The reversal of 12020304451 is 15440302021.

12020304451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (15440302021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020304451 - 2¹³ = 12020296259 is a prime.

It is a super-2 number, since 2×12020304451² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12020304851) 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 as a sum of consecutive naturals, namely, 6010152225 + 6010152226.

It is an arithmetic number, because the mean of its divisors is an integer number (6010152226).

Almost surely, 2^12020304451 is an apocalyptic number.

12020304451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020304451 is an equidigital number, since it uses as much as digits as its factorization.

12020304451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12020304451 its reverse (15440302021), we get a palindrome (27460606472).

The spelling of 12020304451 in words is "twelve billion, twenty million, three hundred four thousand, four hundred fifty-one".