212630274 has 12 divisors (see below), whose sum is σ = 460698966. Its totient is φ = 70876752.

The previous prime is 212630269. The next prime is 212630309. The reversal of 212630274 is 472036212.

212630274 is a `hidden beast` number, since 2 + 1 + 2 + 630 + 27 + 4 = 666.

212630274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201441249 + 11189025 = 14193^2 + 3345^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5906379 + ... + 5906414.

Almost surely, 2^212630274 is an apocalyptic number.

212630274 is an abundant number, since it is smaller than the sum of its proper divisors (248068692).

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

212630274 is a wasteful number, since it uses less digits than its factorization.

212630274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812801 (or 11812798 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 212630274 is about 14581.8474138224. The cubic root of 212630274 is about 596.8635160167.

Adding to 212630274 its reverse (472036212), we get a palindrome (684666486).

It can be divided in two parts, 2126 and 30274, that added together give a square (32400 = 180²).

The spelling of 212630274 in words is "two hundred twelve million, six hundred thirty thousand, two hundred seventy-four".