212675680 has 72 divisors (see below), whose sum is σ = 584499888. Its totient is φ = 72914688.

The previous prime is 212675653. The next prime is 212675681. The reversal of 212675680 is 86576212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212675681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5724 + ... + 21403.

It is an arithmetic number, because the mean of its divisors is an integer number (8118054).

Almost surely, 2^212675680 is an apocalyptic number.

212675680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212675680 is an abundant number, since it is smaller than the sum of its proper divisors (371824208).

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

212675680 is a wasteful number, since it uses less digits than its factorization.

212675680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27156 (or 27141 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 212675680 is about 14583.4042664942. The cubic root of 212675680 is about 596.9059986094.

The spelling of 212675680 in words is "two hundred twelve million, six hundred seventy-five thousand, six hundred eighty".