117212844 has 48 divisors (see below), whose sum is σ = 314671616. Its totient is φ = 33264000.

The previous prime is 117212831. The next prime is 117212857. The reversal of 117212844 is 448212711.

It is an interprime number because it is at equal distance from previous prime (117212831) and next prime (117212857).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8064 + ... + 17304.

Almost surely, 2^117212844 is an apocalyptic number.

117212844 is a gapful number since it is divisible by the number (14) 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 117212844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157335808).

117212844 is an abundant number, since it is smaller than the sum of its proper divisors (197458772).

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

117212844 is a wasteful number, since it uses less digits than its factorization.

117212844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9404 counting only the distinct ones).

The product of its digits is 3584, while the sum is 30.

The square root of 117212844 is about 10826.4880732396. The cubic root of 117212844 is about 489.3937302585.

The spelling of 117212844 in words is "one hundred seventeen million, two hundred twelve thousand, eight hundred forty-four".