12434424111 has 12 divisors (see below), whose sum is σ = 17975117160. Its totient is φ = 8283024240.

The previous prime is 12434424103. The next prime is 12434424113. The reversal of 12434424111 is 11142443421.

12434424111 is a `hidden beast` number, since 1 + 243 + 4 + 4 + 2 + 411 + 1 = 666.

It is not a de Polignac number, because 12434424111 - 2³ = 12434424103 is a prime.

It is a super-2 number, since 2×12434424111² (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 (12434424113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537360 + ... + 560021.

It is an arithmetic number, because the mean of its divisors is an integer number (1497926430).

Almost surely, 2^12434424111 is an apocalyptic number.

12434424111 is a deficient number, since it is larger than the sum of its proper divisors (5540693049).

12434424111 is a wasteful number, since it uses less digits than its factorization.

12434424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098646 (or 1098643 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 12434424111 its reverse (11142443421), we get a palindrome (23576867532).

The spelling of 12434424111 in words is "twelve billion, four hundred thirty-four million, four hundred twenty-four thousand, one hundred eleven".