12455321126 has 4 divisors (see below), whose sum is σ = 18682981692. Its totient is φ = 6227660562.

The previous prime is 12455321117. The next prime is 12455321129. The reversal of 12455321126 is 62112355421.

12455321126 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 junction number, because it is equal to n+sod(n) for n = 12455321092 and 12455321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455321129) 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, 3113830280 + ... + 3113830283.

It is an arithmetic number, because the mean of its divisors is an integer number (4670745423).

Almost surely, 2^12455321126 is an apocalyptic number.

12455321126 is a deficient number, since it is larger than the sum of its proper divisors (6227660566).

12455321126 is an equidigital number, since it uses as much as digits as its factorization.

12455321126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227660565.

The product of its digits is 14400, while the sum is 32.

Adding to 12455321126 its reverse (62112355421), we get a palindrome (74567676547).

The spelling of 12455321126 in words is "twelve billion, four hundred fifty-five million, three hundred twenty-one thousand, one hundred twenty-six".