12296291240729 has 4 divisors (see below), whose sum is σ = 12418036698660. Its totient is φ = 12174545782800.

The previous prime is 12296291240621. The next prime is 12296291240731. The reversal of 12296291240729 is 92704219269221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12148257139225 + 148034101504 = 3485435^2 + 384752^2 .

It is a cyclic number.

It is not a de Polignac number, because 12296291240729 - 2³² = 12291996273433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12296291249729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60872728814 + ... + 60872729015.

It is an arithmetic number, because the mean of its divisors is an integer number (3104509174665).

Almost surely, 2^{12296291240729} is an apocalyptic number.

It is an amenable number.

12296291240729 is a deficient number, since it is larger than the sum of its proper divisors (121745457931).

12296291240729 is a wasteful number, since it uses less digits than its factorization.

12296291240729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121745457930.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 12296291240729 in words is "twelve trillion, two hundred ninety-six billion, two hundred ninety-one million, two hundred forty thousand, seven hundred twenty-nine".