212530374 has 24 divisors (see below), whose sum is σ = 526266000. Its totient is φ = 60722928.

The previous prime is 212530369. The next prime is 212530387. The reversal of 212530374 is 473035212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843249 + ... + 843500.

It is an arithmetic number, because the mean of its divisors is an integer number (21927750).

Almost surely, 2^212530374 is an apocalyptic number.

212530374 is an abundant number, since it is smaller than the sum of its proper divisors (313735626).

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

212530374 is a wasteful number, since it uses less digits than its factorization.

212530374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686764 (or 1686761 counting only the distinct ones).

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

The square root of 212530374 is about 14578.4215194924. The cubic root of 212530374 is about 596.7700266550.

Adding to 212530374 its reverse (473035212), we get a palindrome (685565586).

The spelling of 212530374 in words is "two hundred twelve million, five hundred thirty thousand, three hundred seventy-four".