12240442434011 has 4 divisors (see below), whose sum is σ = 13353209928024. Its totient is φ = 11127674940000.

The previous prime is 12240442434001. The next prime is 12240442434029. The reversal of 12240442434011 is 11043424404221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12240442434011 - 2¹⁰ = 12240442432987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240442434001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556383746990 + ... + 556383747011.

It is an arithmetic number, because the mean of its divisors is an integer number (3338302482006).

Almost surely, 2^{12240442434011} is an apocalyptic number.

12240442434011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12240442434011 is a deficient number, since it is larger than the sum of its proper divisors (1112767494013).

12240442434011 is a wasteful number, since it uses less digits than its factorization.

12240442434011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112767494012.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 12240442434011 its reverse (11043424404221), we get a palindrome (23283866838232).

The spelling of 12240442434011 in words is "twelve trillion, two hundred forty billion, four hundred forty-two million, four hundred thirty-four thousand, eleven".