117020412 has 144 divisors (see below), whose sum is σ = 328753152. Its totient is φ = 34974720.

The previous prime is 117020399. The next prime is 117020413. The reversal of 117020412 is 214020711.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117020413) 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, 1206348 + ... + 1206444.

It is an arithmetic number, because the mean of its divisors is an integer number (2283008).

Almost surely, 2^117020412 is an apocalyptic number.

117020412 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 117020412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164376576).

117020412 is an abundant number, since it is smaller than the sum of its proper divisors (211732740).

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

117020412 is a wasteful number, since it uses less digits than its factorization.

117020412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 117020412 is about 10817.5973302763. The cubic root of 117020412 is about 489.1257658875.

The spelling of 117020412 in words is "one hundred seventeen million, twenty thousand, four hundred twelve".