212031250 has 64 divisors (see below), whose sum is σ = 421873920. Its totient is φ = 79750000.

The previous prime is 212031173. The next prime is 212031251. The reversal of 212031250 is 52130212.

It is not an unprimeable number, because it can be changed into a prime (212031251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3593721 + ... + 3593779.

It is an arithmetic number, because the mean of its divisors is an integer number (6591780).

Almost surely, 2^212031250 is an apocalyptic number.

212031250 is a deficient number, since it is larger than the sum of its proper divisors (209842670).

212031250 is an frugal number, since it uses more digits than its factorization.

212031250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 212031250 is about 14561.2928684235. The cubic root of 212031250 is about 596.3024923497.

Adding to 212031250 its reverse (52130212), we get a palindrome (264161462).

The spelling of 212031250 in words is "two hundred twelve million, thirty-one thousand, two hundred fifty".