12293872008 has 160 divisors (see below), whose sum is σ = 34438932000. Its totient is φ = 3656097280.

The previous prime is 12293871991. The next prime is 12293872013. The reversal of 12293872008 is 80027839221.

It is a happy number.

It is a super-2 number, since 2×12293872008² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20731360 + ... + 20731952.

It is an arithmetic number, because the mean of its divisors is an integer number (215243325).

Almost surely, 2^12293872008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12293872008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17219466000).

12293872008 is an abundant number, since it is smaller than the sum of its proper divisors (22145059992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12293872008 is an equidigital number, since it uses as much as digits as its factorization.

12293872008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 12293872008 in words is "twelve billion, two hundred ninety-three million, eight hundred seventy-two thousand, eight".