212180880 has 40 divisors (see below), whose sum is σ = 657761472. Its totient is φ = 56581504.

The previous prime is 212180879. The next prime is 212180939. The reversal of 212180880 is 88081212.

212180880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 441804 + ... + 442283.

Almost surely, 2^212180880 is an apocalyptic number.

212180880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212180880 is an abundant number, since it is smaller than the sum of its proper divisors (445580592).

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

212180880 is a wasteful number, since it uses less digits than its factorization.

212180880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884103 (or 884097 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 212180880 is about 14566.4298989148. The cubic root of 212180880 is about 596.4427291647.

The spelling of 212180880 in words is "two hundred twelve million, one hundred eighty thousand, eight hundred eighty".