212088888 has 128 divisors (see below), whose sum is σ = 670809600. Its totient is φ = 61459200.

The previous prime is 212088853. The next prime is 212088907. The reversal of 212088888 is 888880212.

It is a happy number.

212088888 is a modest number, since divided by 88888 gives 2120 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52708 + ... + 56588.

It is an arithmetic number, because the mean of its divisors is an integer number (5240700).

Almost surely, 2^212088888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212088888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335404800).

212088888 is an abundant number, since it is smaller than the sum of its proper divisors (458720712).

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

212088888 is a wasteful number, since it uses less digits than its factorization.

212088888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3920 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 45.

The square root of 212088888 is about 14563.2718851225. The cubic root of 212088888 is about 596.3565198719.

The spelling of 212088888 in words is "two hundred twelve million, eighty-eight thousand, eight hundred eighty-eight".