12240328289 has 16 divisors (see below), whose sum is σ = 14204771328. Its totient is φ = 10329997392.

The previous prime is 12240328283. The next prime is 12240328297. The reversal of 12240328289 is 98282304221.

It is a cyclic number.

It is not a de Polignac number, because 12240328289 - 2²⁴ = 12223551073 is a prime.

It is a super-4 number, since 4×12240328289⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240328283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168694 + ... + 1179120.

It is an arithmetic number, because the mean of its divisors is an integer number (887798208).

Almost surely, 2^12240328289 is an apocalyptic number.

It is an amenable number.

12240328289 is a deficient number, since it is larger than the sum of its proper divisors (1964443039).

12240328289 is a wasteful number, since it uses less digits than its factorization.

12240328289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004.

The product of its (nonzero) digits is 110592, while the sum is 41.

It can be divided in two parts, 1224032 and 8289, that added together give a palindrome (1232321).

The spelling of 12240328289 in words is "twelve billion, two hundred forty million, three hundred twenty-eight thousand, two hundred eighty-nine".