212606560 has 48 divisors (see below), whose sum is σ = 503901216. Its totient is φ = 84768768.

The previous prime is 212606557. The next prime is 212606579. The reversal of 212606560 is 65606212.

It is a congruent number.

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, 51949 + ... + 55891.

It is an arithmetic number, because the mean of its divisors is an integer number (10497942).

Almost surely, 2^212606560 is an apocalyptic number.

212606560 is a gapful number since it is divisible by the number (20) 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 212606560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251950608).

212606560 is an abundant number, since it is smaller than the sum of its proper divisors (291294656).

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

212606560 is a wasteful number, since it uses less digits than its factorization.

212606560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 212606560 is about 14581.0342568694. The cubic root of 212606560 is about 596.8413264082.

The spelling of 212606560 in words is "two hundred twelve million, six hundred six thousand, five hundred sixty".