212868480 has 128 divisors (see below), whose sum is σ = 740275200. Its totient is φ = 51599360.

The previous prime is 212868479. The next prime is 212868503. The reversal of 212868480 is 84868212.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16081 + ... + 26159.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^212868480 is an apocalyptic number.

212868480 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 212868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370137600).

212868480 is an abundant number, since it is smaller than the sum of its proper divisors (527406720).

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

212868480 is a wasteful number, since it uses less digits than its factorization.

212868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10100 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 212868480 is about 14590.0130226124. The cubic root of 212868480 is about 597.0863181111.

The spelling of 212868480 in words is "two hundred twelve million, eight hundred sixty-eight thousand, four hundred eighty".