212190248 has 8 divisors (see below), whose sum is σ = 397856730. Its totient is φ = 106095120.

The previous prime is 212190169. The next prime is 212190259. The reversal of 212190248 is 842091212.

212190248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 161239204 + 50951044 = 12698^2 + 7138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 212190248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13261883 + ... + 13261898.

Almost surely, 2^212190248 is an apocalyptic number.

It is an amenable number.

212190248 is a deficient number, since it is larger than the sum of its proper divisors (185666482).

212190248 is a wasteful number, since it uses less digits than its factorization.

212190248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26523787 (or 26523783 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 212190248 is about 14566.7514566564. The cubic root of 212190248 is about 596.4515068850.

The spelling of 212190248 in words is "two hundred twelve million, one hundred ninety thousand, two hundred forty-eight".