12224343451 has 4 divisors (see below), whose sum is σ = 12508630552. Its totient is φ = 11940056352.

The previous prime is 12224343449. The next prime is 12224343473. The reversal of 12224343451 is 15434342221.

12224343451 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, and also an emirpimes, since its reverse is a distinct semiprime: 15434342221 = 647 ⋅23855243.

It is a cyclic number.

It is not a de Polignac number, because 12224343451 - 2¹ = 12224343449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224343401) 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, 142143486 + ... + 142143571.

It is an arithmetic number, because the mean of its divisors is an integer number (3127157638).

Almost surely, 2^12224343451 is an apocalyptic number.

12224343451 is a deficient number, since it is larger than the sum of its proper divisors (284287101).

12224343451 is an equidigital number, since it uses as much as digits as its factorization.

12224343451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284287100.

The product of its digits is 23040, while the sum is 31.

Adding to 12224343451 its reverse (15434342221), we get a palindrome (27658685672).

The spelling of 12224343451 in words is "twelve billion, two hundred twenty-four million, three hundred forty-three thousand, four hundred fifty-one".