12421242435413 has 16 divisors (see below), whose sum is σ = 14855354169600. Its totient is φ = 10154695579776.

The previous prime is 12421242435403. The next prime is 12421242435439. The reversal of 12421242435413 is 31453424212421.

It is a cyclic number.

It is not a de Polignac number, because 12421242435413 - 2⁸ = 12421242435157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421242435403) 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, 110474720 + ... + 110587097.

It is an arithmetic number, because the mean of its divisors is an integer number (928459635600).

Almost surely, 2^{12421242435413} is an apocalyptic number.

It is an amenable number.

12421242435413 is a deficient number, since it is larger than the sum of its proper divisors (2434111734187).

12421242435413 is a wasteful number, since it uses less digits than its factorization.

12421242435413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221062196.

The product of its digits is 184320, while the sum is 38.

Adding to 12421242435413 its reverse (31453424212421), we get a palindrome (43874666647834).

The spelling of 12421242435413 in words is "twelve trillion, four hundred twenty-one billion, two hundred forty-two million, four hundred thirty-five thousand, four hundred thirteen".