12424445451 has 24 divisors (see below), whose sum is σ = 20107052784. Its totient is φ = 7326452160.

The previous prime is 12424445431. The next prime is 12424445483. The reversal of 12424445451 is 15454442421.

12424445451 is a `hidden beast` number, since 124 + 2 + 44 + 45 + 451 = 666.

It is not a de Polignac number, because 12424445451 - 2¹¹ = 12424443403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12424445431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1692276 + ... + 1699601.

It is an arithmetic number, because the mean of its divisors is an integer number (837793866).

Almost surely, 2^12424445451 is an apocalyptic number.

12424445451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12424445451 is a deficient number, since it is larger than the sum of its proper divisors (7682607333).

12424445451 is a wasteful number, since it uses less digits than its factorization.

12424445451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391931 (or 3391928 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

Adding to 12424445451 its reverse (15454442421), we get a palindrome (27878887872).

The spelling of 12424445451 in words is "twelve billion, four hundred twenty-four million, four hundred forty-five thousand, four hundred fifty-one".