212052305250 has 96 divisors (see below), whose sum is σ = 576593821440. Its totient is φ = 56231268000.

The previous prime is 212052305243. The next prime is 212052305251. The reversal of 212052305250 is 52503250212.

212052305250 is a `hidden beast` number, since 21 + 20 + 523 + 0 + 52 + 50 = 666.

It is not an unprimeable number, because it can be changed into a prime (212052305251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139495 + ... + 666005.

It is an arithmetic number, because the mean of its divisors is an integer number (6006185640).

Almost surely, 2^212052305250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212052305250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288296910720).

212052305250 is an abundant number, since it is smaller than the sum of its proper divisors (364541516190).

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

212052305250 is a wasteful number, since it uses less digits than its factorization.

212052305250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526713 (or 526700 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 212052305250 its reverse (52503250212), we get a palindrome (264555555462).

The spelling of 212052305250 in words is "two hundred twelve billion, fifty-two million, three hundred five thousand, two hundred fifty".