12442144415 has 8 divisors (see below), whose sum is σ = 14941832640. Its totient is φ = 9946209312.

The previous prime is 12442144411. The next prime is 12442144459. The reversal of 12442144415 is 51444124421.

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 12442144415 - 2² = 12442144411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442144411) 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, 930980 + ... + 944249.

It is an arithmetic number, because the mean of its divisors is an integer number (1867729080).

Almost surely, 2^12442144415 is an apocalyptic number.

12442144415 is a deficient number, since it is larger than the sum of its proper divisors (2499688225).

12442144415 is a wasteful number, since it uses less digits than its factorization.

12442144415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876561.

The product of its digits is 20480, while the sum is 32.

Adding to 12442144415 its reverse (51444124421), we get a palindrome (63886268836).

The spelling of 12442144415 in words is "twelve billion, four hundred forty-two million, one hundred forty-four thousand, four hundred fifteen".