212343750 has 96 divisors (see below), whose sum is σ = 578904768. Its totient is φ = 56250000.

The previous prime is 212343749. The next prime is 212343757. The reversal of 212343750 is 57343212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212343757) 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 47 ways as a sum of consecutive naturals, for example, 1406175 + ... + 1406325.

It is an arithmetic number, because the mean of its divisors is an integer number (6030258).

Almost surely, 2^212343750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212343750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289452384).

212343750 is an abundant number, since it is smaller than the sum of its proper divisors (366561018).

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

212343750 is an frugal number, since it uses more digits than its factorization.

212343750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 212343750 is about 14572.0194207941. The cubic root of 212343750 is about 596.5952999058.

Adding to 212343750 its reverse (57343212), we get a palindrome (269686962).

The spelling of 212343750 in words is "two hundred twelve million, three hundred forty-three thousand, seven hundred fifty".