12434252005 has 96 divisors (see below), whose sum is σ = 18339955200. Its totient is φ = 8061161472.

The previous prime is 12434252003. The next prime is 12434252009. The reversal of 12434252005 is 50025243421.

It is not a de Polignac number, because 12434252005 - 2¹ = 12434252003 is a prime.

It is a super-2 number, since 2×12434252005² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434252003) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69465006 + ... + 69465184.

It is an arithmetic number, because the mean of its divisors is an integer number (191041200).

Almost surely, 2^12434252005 is an apocalyptic number.

It is an amenable number.

12434252005 is a deficient number, since it is larger than the sum of its proper divisors (5905703195).

12434252005 is a wasteful number, since it uses less digits than its factorization.

12434252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12434252005 its reverse (50025243421), we get a palindrome (62459495426).

The spelling of 12434252005 in words is "twelve billion, four hundred thirty-four million, two hundred fifty-two thousand, five".