212118528 has 88 divisors (see below), whose sum is σ = 585114480. Its totient is φ = 68239360.

The previous prime is 212118493. The next prime is 212118553. The reversal of 212118528 is 825811212.

212118528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 212118495 and 212118504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87898 + ... + 90278.

Almost surely, 2^212118528 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 212118528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292557240).

212118528 is an abundant number, since it is smaller than the sum of its proper divisors (372995952).

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

212118528 is a wasteful number, since it uses less digits than its factorization.

212118528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2415 counting only the distinct ones).

The product of its digits is 2560, while the sum is 30.

The square root of 212118528 is about 14564.2894780350. The cubic root of 212118528 is about 596.3842993940.

The spelling of 212118528 in words is "two hundred twelve million, one hundred eighteen thousand, five hundred twenty-eight".