212488880 has 80 divisors (see below), whose sum is σ = 521109504. Its totient is φ = 80459520.

The previous prime is 212488873. The next prime is 212488889. The reversal of 212488880 is 88884212.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (212488889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115649 + ... + 117471.

Almost surely, 2^212488880 is an apocalyptic number.

212488880 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 212488880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260554752).

212488880 is an abundant number, since it is smaller than the sum of its proper divisors (308620624).

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

212488880 is a wasteful number, since it uses less digits than its factorization.

212488880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The square root of 212488880 is about 14576.9983192700. The cubic root of 212488880 is about 596.7311867365.

The spelling of 212488880 in words is "two hundred twelve million, four hundred eighty-eight thousand, eight hundred eighty".