12424421435 has 8 divisors (see below), whose sum is σ = 14926234176. Its totient is φ = 9928251520.

The previous prime is 12424421431. The next prime is 12424421441. The reversal of 12424421435 is 53412442421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12424421435 - 2² = 12424421431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12424421431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405859 + ... + 1414668.

It is an arithmetic number, because the mean of its divisors is an integer number (1865779272).

Almost surely, 2^12424421435 is an apocalyptic number.

12424421435 is a deficient number, since it is larger than the sum of its proper divisors (2501812741).

12424421435 is an equidigital number, since it uses as much as digits as its factorization.

12424421435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821413.

The product of its digits is 30720, while the sum is 32.

Adding to 12424421435 its reverse (53412442421), we get a palindrome (65836863856).

The spelling of 12424421435 in words is "twelve billion, four hundred twenty-four million, four hundred twenty-one thousand, four hundred thirty-five".