12434240111 has 8 divisors (see below), whose sum is σ = 12519490944. Its totient is φ = 12349027800.

The previous prime is 12434240087. The next prime is 12434240263. The reversal of 12434240111 is 11104243421.

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

It is a cyclic number.

It is not a de Polignac number, because 12434240111 - 2⁶ = 12434240047 is a prime.

It is a super-2 number, since 2×12434240111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434240311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984740 + ... + 997286.

It is an arithmetic number, because the mean of its divisors is an integer number (1564936368).

Almost surely, 2^12434240111 is an apocalyptic number.

12434240111 is a deficient number, since it is larger than the sum of its proper divisors (85250833).

12434240111 is a wasteful number, since it uses less digits than its factorization.

12434240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19261.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12434240111 its reverse (11104243421), we get a palindrome (23538483532).

The spelling of 12434240111 in words is "twelve billion, four hundred thirty-four million, two hundred forty thousand, one hundred eleven".