108212280 has 128 divisors (see below), whose sum is σ = 359320320. Its totient is φ = 25850880.

The previous prime is 108212267. The next prime is 108212287. The reversal of 108212280 is 82212801.

It is a super-3 number, since 3×108212280³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 108212280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108212287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95799 + ... + 96921.

It is an arithmetic number, because the mean of its divisors is an integer number (2807190).

Almost surely, 2^108212280 is an apocalyptic number.

108212280 is a gapful number since it is divisible by the number (10) 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 108212280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179660160).

108212280 is an abundant number, since it is smaller than the sum of its proper divisors (251108040).

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

108212280 is a wasteful number, since it uses less digits than its factorization.

108212280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 108212280 is about 10402.5131578864. The cubic root of 108212280 is about 476.5321238831.

The spelling of 108212280 in words is "one hundred eight million, two hundred twelve thousand, two hundred eighty".