108212400 has 90 divisors (see below), whose sum is σ = 375539580. Its totient is φ = 28855680.

The previous prime is 108212389. The next prime is 108212411. The reversal of 108212400 is 4212801.

It is an interprime number because it is at equal distance from previous prime (108212389) and next prime (108212411).

It is a tau number, because it is divible by the number of its divisors (90).

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11430 + ... + 18629.

It is an arithmetic number, because the mean of its divisors is an integer number (4172662).

Almost surely, 2^108212400 is an apocalyptic number.

108212400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108212400 is an abundant number, since it is smaller than the sum of its proper divisors (267327180).

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

108212400 is a wasteful number, since it uses less digits than its factorization.

108212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30083 (or 30069 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 108212400 is about 10402.5189257218. The cubic root of 108212400 is about 476.5323000302.

The spelling of 108212400 in words is "one hundred eight million, two hundred twelve thousand, four hundred".