12240433121 has 16 divisors (see below), whose sum is σ = 14206464768. Its totient is φ = 10329984000.

The previous prime is 12240433087. The next prime is 12240433133. The reversal of 12240433121 is 12133404221.

It is not a de Polignac number, because 12240433121 - 2²⁶ = 12173324257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240433321) 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 15 ways as a sum of consecutive naturals, for example, 68201 + ... + 170681.

It is an arithmetic number, because the mean of its divisors is an integer number (887904048).

Almost surely, 2^12240433121 is an apocalyptic number.

It is an amenable number.

12240433121 is a deficient number, since it is larger than the sum of its proper divisors (1966031647).

12240433121 is a wasteful number, since it uses less digits than its factorization.

12240433121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102752.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12240433121 its reverse (12133404221), we get a palindrome (24373837342).

The spelling of 12240433121 in words is "twelve billion, two hundred forty million, four hundred thirty-three thousand, one hundred twenty-one".