9999982312712 has 60 divisors (see below), whose sum is σ = 21874618468605. Its totient is φ = 4285518875904.

The previous prime is 9999982312669. The next prime is 9999982312721. The reversal of 9999982312712 is 2172132899999.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 5528677526596 + 4471304786116 = 2351314^2 + 2114546^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2236066.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 438257528 + ... + 438280344.

Almost surely, 2^{9999982312712} 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 9999982312712

9999982312712 is an abundant number, since it is smaller than the sum of its proper divisors (11874636155893).

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

9999982312712 is an frugal number, since it uses more digits than its factorization.

9999982312712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45668 (or 22826 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 71.

The spelling of 9999982312712 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred eighty-two million, three hundred twelve thousand, seven hundred twelve".