12295722309 has 8 divisors (see below), whose sum is σ = 17655396192. Its totient is φ = 7566598320.

The previous prime is 12295722269. The next prime is 12295722331. The reversal of 12295722309 is 90322759221.

It is a happy number.

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

It is not a de Polignac number, because 12295722309 - 2¹² = 12295718213 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12295722809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157637427 + ... + 157637504.

It is an arithmetic number, because the mean of its divisors is an integer number (2206924524).

Almost surely, 2^12295722309 is an apocalyptic number.

It is an amenable number.

12295722309 is a deficient number, since it is larger than the sum of its proper divisors (5359673883).

12295722309 is a wasteful number, since it uses less digits than its factorization.

12295722309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315274947.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 12295722309 in words is "twelve billion, two hundred ninety-five million, seven hundred twenty-two thousand, three hundred nine".