12424656342021 has 64 divisors (see below), whose sum is σ = 21744677836800. Its totient is φ = 6113636179200.

The previous prime is 12424656341987. The next prime is 12424656342101. The reversal of 12424656342021 is 12024365642421.

It is not a de Polignac number, because 12424656342021 - 2⁷ = 12424656341893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424656342121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26226511 + ... + 26696051.

It is an arithmetic number, because the mean of its divisors is an integer number (339760591200).

Almost surely, 2^{12424656342021} is an apocalyptic number.

12424656342021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12424656342021 is a deficient number, since it is larger than the sum of its proper divisors (9320021494779).

12424656342021 is a wasteful number, since it uses less digits than its factorization.

12424656342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475610.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 12424656342021 in words is "twelve trillion, four hundred twenty-four billion, six hundred fifty-six million, three hundred forty-two thousand, twenty-one".