12442015135 has 8 divisors (see below), whose sum is σ = 16287728976. Its totient is φ = 9048738240.

The previous prime is 12442015133. The next prime is 12442015141. The reversal of 12442015135 is 53151024421.

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

It is not a de Polignac number, because 12442015135 - 2¹ = 12442015133 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 (12442015133) 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, 113109174 + ... + 113109283.

It is an arithmetic number, because the mean of its divisors is an integer number (2035966122).

Almost surely, 2^12442015135 is an apocalyptic number.

12442015135 is a deficient number, since it is larger than the sum of its proper divisors (3845713841).

12442015135 is a wasteful number, since it uses less digits than its factorization.

12442015135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226218473.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12442015135 its reverse (53151024421), we get a palindrome (65593039556).

The spelling of 12442015135 in words is "twelve billion, four hundred forty-two million, fifteen thousand, one hundred thirty-five".