117111012 has 24 divisors (see below), whose sum is σ = 273487200. Its totient is φ = 39004416.

The previous prime is 117110999. The next prime is 117111013. The reversal of 117111012 is 210111711.

It is a junction number, because it is equal to n+sod(n) for n = 117110982 and 117111000.

It is not an unprimeable number, because it can be changed into a prime (117111013) 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, 14164 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (11395300).

Almost surely, 2^117111012 is an apocalyptic number.

117111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117111012 is an abundant number, since it is smaller than the sum of its proper divisors (156376188).

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

117111012 is a wasteful number, since it uses less digits than its factorization.

117111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155 (or 8153 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 15.

The square root of 117111012 is about 10821.7841412588. The cubic root of 117111012 is about 489.2519642776.

Adding to 117111012 its reverse (210111711), we get a palindrome (327222723).

The spelling of 117111012 in words is "one hundred seventeen million, one hundred eleven thousand, twelve".