212098068 has 144 divisors (see below), whose sum is σ = 689088960. Its totient is φ = 55919808.

The previous prime is 212098067. The next prime is 212098091. The reversal of 212098068 is 860890212.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212098067) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 67255 + ... + 70337.

It is an arithmetic number, because the mean of its divisors is an integer number (4785340).

Almost surely, 2^212098068 is an apocalyptic number.

212098068 is a gapful number since it is divisible by the number (28) 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 212098068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344544480).

212098068 is an abundant number, since it is smaller than the sum of its proper divisors (476990892).

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

212098068 is a wasteful number, since it uses less digits than its factorization.

212098068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 212098068 is about 14563.5870581392. The cubic root of 212098068 is about 596.3651239276.

The spelling of 212098068 in words is "two hundred twelve million, ninety-eight thousand, sixty-eight".