212842750 has 32 divisors (see below), whose sum is σ = 419421600. Its totient is φ = 80654400.

The previous prime is 212842727. The next prime is 212842757. The reversal of 212842750 is 57248212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212842757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17655 + ... + 27154.

It is an arithmetic number, because the mean of its divisors is an integer number (13106925).

Almost surely, 2^212842750 is an apocalyptic number.

212842750 is a deficient number, since it is larger than the sum of its proper divisors (206578850).

212842750 is a wasteful number, since it uses less digits than its factorization.

212842750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44845 (or 44835 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 212842750 is about 14589.1312284180. The cubic root of 212842750 is about 597.0622599853.

The spelling of 212842750 in words is "two hundred twelve million, eight hundred forty-two thousand, seven hundred fifty".