212377056 has 96 divisors (see below), whose sum is σ = 594397440. Its totient is φ = 66164736.

The previous prime is 212377031. The next prime is 212377057. The reversal of 212377056 is 650773212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212377057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291765 + ... + 292491.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^212377056 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 212377056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297198720).

212377056 is an abundant number, since it is smaller than the sum of its proper divisors (382020384).

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

212377056 is a wasteful number, since it uses less digits than its factorization.

212377056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 212377056 is about 14573.1621825876. The cubic root of 212377056 is about 596.6264901564.

The spelling of 212377056 in words is "two hundred twelve million, three hundred seventy-seven thousand, fifty-six".