212681016 has 96 divisors (see below), whose sum is σ = 623039040. Its totient is φ = 65286144.

The previous prime is 212680991. The next prime is 212681039. The reversal of 212681016 is 610186212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55680 + ... + 59376.

It is an arithmetic number, because the mean of its divisors is an integer number (6489990).

Almost surely, 2^212681016 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 212681016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311519520).

212681016 is an abundant number, since it is smaller than the sum of its proper divisors (410358024).

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

212681016 is a wasteful number, since it uses less digits than its factorization.

212681016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 212681016 is about 14583.5872130282. The cubic root of 212681016 is about 596.9109906607.

The spelling of 212681016 in words is "two hundred twelve million, six hundred eighty-one thousand, sixteen".