12289511293 has 4 divisors (see below), whose sum is σ = 13012423740. Its totient is φ = 11566598848.

The previous prime is 12289511291. The next prime is 12289511357. The reversal of 12289511293 is 39211598221.

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 9556626564 + 2732884729 = 97758^2 + 52277^2 .

It is a cyclic number.

It is not a de Polignac number, because 12289511293 - 2¹ = 12289511291 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 (12289511291) 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 3 ways as a sum of consecutive naturals, for example, 361456198 + ... + 361456231.

It is an arithmetic number, because the mean of its divisors is an integer number (3253105935).

Almost surely, 2^12289511293 is an apocalyptic number.

It is an amenable number.

12289511293 is a deficient number, since it is larger than the sum of its proper divisors (722912447).

12289511293 is an equidigital number, since it uses as much as digits as its factorization.

12289511293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722912446.

The product of its digits is 77760, while the sum is 43.

The spelling of 12289511293 in words is "twelve billion, two hundred eighty-nine million, five hundred eleven thousand, two hundred ninety-three".