12424356514545 has 16 divisors (see below), whose sum is σ = 19899527809920. Its totient is φ = 6619471012224.

The previous prime is 12424356514513. The next prime is 12424356514547. The reversal of 12424356514545 is 54541565342421.

It is a happy number.

It is not a de Polignac number, because 12424356514545 - 2⁵ = 12424356514513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12424356514547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428263900 + ... + 428292909.

It is an arithmetic number, because the mean of its divisors is an integer number (1243720488120).

Almost surely, 2^{12424356514545} is an apocalyptic number.

12424356514545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12424356514545 is a deficient number, since it is larger than the sum of its proper divisors (7475171295375).

12424356514545 is an equidigital number, since it uses as much as digits as its factorization.

12424356514545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856557784.

The product of its digits is 11520000, while the sum is 51.

The spelling of 12424356514545 in words is "twelve trillion, four hundred twenty-four billion, three hundred fifty-six million, five hundred fourteen thousand, five hundred forty-five".