212748 has 12 divisors (see below), whose sum is σ = 496440. Its totient is φ = 70912.

The previous prime is 212701. The next prime is 212777. The reversal of 212748 is 847212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 212748.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8853 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (41370).

2²¹²⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

212748 is an abundant number, since it is smaller than the sum of its proper divisors (283692).

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

212748 is a wasteful number, since it uses less digits than its factorization.

212748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736 (or 17734 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 212748 is about 461.2461381952. The cubic root of 212748 is about 59.6973649895.

The spelling of 212748 in words is "two hundred twelve thousand, seven hundred forty-eight".