12291580869 has 8 divisors (see below), whose sum is σ = 16389290112. Its totient is φ = 8194129440.

The previous prime is 12291580867. The next prime is 12291580883. The reversal of 12291580869 is 96808519221.

12291580869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12291580869 - 2¹ = 12291580867 is a prime.

It is a super-2 number, since 2×12291580869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12291580867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134737 + ... + 206729.

It is an arithmetic number, because the mean of its divisors is an integer number (2048661264).

Almost surely, 2^12291580869 is an apocalyptic number.

It is an amenable number.

12291580869 is a deficient number, since it is larger than the sum of its proper divisors (4097709243).

12291580869 is an equidigital number, since it uses as much as digits as its factorization.

12291580869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128907.

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 12291580869 in words is "twelve billion, two hundred ninety-one million, five hundred eighty thousand, eight hundred sixty-nine".