212124250 has 32 divisors (see below), whose sum is σ = 427649040. Its totient is φ = 78321600.

The previous prime is 212124247. The next prime is 212124251. The reversal of 212124250 is 52421212.

It can be written as a sum of positive squares in 8 ways, for example, as 7834401 + 204289849 = 2799^2 + 14293^2 .

It is not an unprimeable number, because it can be changed into a prime (212124251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29385 + ... + 35884.

Almost surely, 2^212124250 is an apocalyptic number.

212124250 is an abundant number, since it is smaller than the sum of its proper divisors (215524790).

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

212124250 is a wasteful number, since it uses less digits than its factorization.

212124250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65299 (or 65289 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 212124250 is about 14564.4859160906. The cubic root of 212124250 is about 596.3896619309.

Adding to 212124250 its reverse (52421212), we get a palindrome (264545462).

The spelling of 212124250 in words is "two hundred twelve million, one hundred twenty-four thousand, two hundred fifty".