212120250 has 32 divisors (see below), whose sum is σ = 529454016. Its totient is φ = 56565200.

The previous prime is 212120243. The next prime is 212120263. The reversal of 212120250 is 52021212.

212120250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140664 + ... + 142163.

It is an arithmetic number, because the mean of its divisors is an integer number (16545438).

Almost surely, 2^212120250 is an apocalyptic number.

212120250 is an abundant number, since it is smaller than the sum of its proper divisors (317333766).

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

212120250 is a wasteful number, since it uses less digits than its factorization.

212120250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282847 (or 282837 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 212120250 is about 14564.3485951140. The cubic root of 212120250 is about 596.3859132260.

Adding to 212120250 its reverse (52021212), we get a palindrome (264141462).

The spelling of 212120250 in words is "two hundred twelve million, one hundred twenty thousand, two hundred fifty".