12441224451 has 16 divisors (see below), whose sum is σ = 17133216768. Its totient is φ = 8021997600.

The previous prime is 12441224447. The next prime is 12441224483. The reversal of 12441224451 is 15442214421.

It is not a de Polignac number, because 12441224451 - 2² = 12441224447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12441224401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128761 + ... + 203621.

It is an arithmetic number, because the mean of its divisors is an integer number (1070826048).

Almost surely, 2^12441224451 is an apocalyptic number.

12441224451 is a deficient number, since it is larger than the sum of its proper divisors (4691992317).

12441224451 is a wasteful number, since it uses less digits than its factorization.

12441224451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76682.

The product of its digits is 10240, while the sum is 30.

Adding to 12441224451 its reverse (15442214421), we get a palindrome (27883438872).

The spelling of 12441224451 in words is "twelve billion, four hundred forty-one million, two hundred twenty-four thousand, four hundred fifty-one".