12434120111 has 8 divisors (see below), whose sum is σ = 14211544704. Its totient is φ = 10656975960.

The previous prime is 12434120089. The next prime is 12434120123. The reversal of 12434120111 is 11102143421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12434120111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434120711) 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, 35516 + ... + 161646.

It is an arithmetic number, because the mean of its divisors is an integer number (1776443088).

Almost surely, 2^12434120111 is an apocalyptic number.

12434120111 is a deficient number, since it is larger than the sum of its proper divisors (1777424593).

12434120111 is a wasteful number, since it uses less digits than its factorization.

12434120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140221.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12434120111 its reverse (11102143421), we get a palindrome (23536263532).

The spelling of 12434120111 in words is "twelve billion, four hundred thirty-four million, one hundred twenty thousand, one hundred eleven".