117558012 has 48 divisors (see below), whose sum is σ = 322261632. Its totient is φ = 32882880.

The previous prime is 117557987. The next prime is 117558013. The reversal of 117558012 is 210855711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117558013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32538 + ... + 35969.

It is an arithmetic number, because the mean of its divisors is an integer number (6713784).

Almost surely, 2^117558012 is an apocalyptic number.

117558012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117558012 is an abundant number, since it is smaller than the sum of its proper divisors (204703620).

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

117558012 is a wasteful number, since it uses less digits than its factorization.

117558012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68538 (or 68536 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 30.

The square root of 117558012 is about 10842.4172581579. The cubic root of 117558012 is about 489.8736478324.

The spelling of 117558012 in words is "one hundred seventeen million, five hundred fifty-eight thousand, twelve".