12304221451 has 4 divisors (see below), whose sum is σ = 12304450312. Its totient is φ = 12303992592.

The previous prime is 12304221421. The next prime is 12304221487. The reversal of 12304221451 is 15412240321.

12304221451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12304221451 - 2²⁷ = 12170003723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12304221421) 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 3 ways as a sum of consecutive naturals, for example, 15055 + ... + 157591.

It is an arithmetic number, because the mean of its divisors is an integer number (3076112578).

Almost surely, 2^12304221451 is an apocalyptic number.

12304221451 is a deficient number, since it is larger than the sum of its proper divisors (228861).

12304221451 is an equidigital number, since it uses as much as digits as its factorization.

12304221451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228860.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12304221451 its reverse (15412240321), we get a palindrome (27716461772).

The spelling of 12304221451 in words is "twelve billion, three hundred four million, two hundred twenty-one thousand, four hundred fifty-one".