12442402111 has 8 divisors (see below), whose sum is σ = 13100746880. Its totient is φ = 11784405528.

The previous prime is 12442402087. The next prime is 12442402169. The reversal of 12442402111 is 11120424421.

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-12442402111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442402711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12021 + ... + 158206.

It is an arithmetic number, because the mean of its divisors is an integer number (1637593360).

Almost surely, 2^12442402111 is an apocalyptic number.

12442402111 is a deficient number, since it is larger than the sum of its proper divisors (658344769).

12442402111 is a wasteful number, since it uses less digits than its factorization.

12442402111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174093.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12442402111 its reverse (11120424421), we get a palindrome (23562826532).

The spelling of 12442402111 in words is "twelve billion, four hundred forty-two million, four hundred two thousand, one hundred eleven".