117309995712 has 336 divisors, whose sum is σ = 429176314112. Its totient is φ = 30938526720.

The previous prime is 117309995707. The next prime is 117309995713. The reversal of 117309995712 is 217599903711.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (117309995713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1373787 + ... + 1456677.

Almost surely, 2^117309995712 is an apocalyptic number.

117309995712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117309995712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214588157056).

117309995712 is an abundant number, since it is smaller than the sum of its proper divisors (311866318400).

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

117309995712 is an equidigital number, since it uses as much as digits as its factorization.

117309995712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82938 (or 82916 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 54.

The spelling of 117309995712 in words is "one hundred seventeen billion, three hundred nine million, nine hundred ninety-five thousand, seven hundred twelve".