12440142224011 has 8 divisors (see below), whose sum is σ = 12442901370480. Its totient is φ = 12437383372512.

The previous prime is 12440142223961. The next prime is 12440142224023. The reversal of 12440142224011 is 11042224104421.

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 12440142224011 - 2¹⁹ = 12440141699723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12440142294011) 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, 98322156 + ... + 98448598.

It is an arithmetic number, because the mean of its divisors is an integer number (1555362671310).

Almost surely, 2^{12440142224011} is an apocalyptic number.

12440142224011 is a deficient number, since it is larger than the sum of its proper divisors (2759146469).

12440142224011 is a wasteful number, since it uses less digits than its factorization.

12440142224011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147485.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 12440142224011 its reverse (11042224104421), we get a palindrome (23482366328432).

The spelling of 12440142224011 in words is "twelve trillion, four hundred forty billion, one hundred forty-two million, two hundred twenty-four thousand, eleven".