212530532 has 12 divisors (see below), whose sum is σ = 393806700. Its totient is φ = 100014336.

The previous prime is 212530529. The next prime is 212530541. The reversal of 212530532 is 235035212.

It can be written as a sum of positive squares in 2 ways, for example, as 162205696 + 50324836 = 12736^2 + 7094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212530498 and 212530507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562657 + ... + 1562792.

It is an arithmetic number, because the mean of its divisors is an integer number (32817225).

Almost surely, 2^212530532 is an apocalyptic number.

It is an amenable number.

212530532 is a deficient number, since it is larger than the sum of its proper divisors (181276168).

212530532 is a wasteful number, since it uses less digits than its factorization.

212530532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125470 (or 3125468 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 212530532 is about 14578.4269384594. The cubic root of 212530532 is about 596.7701745392.

Adding to 212530532 its reverse (235035212), we get a palindrome (447565744).

The spelling of 212530532 in words is "two hundred twelve million, five hundred thirty thousand, five hundred thirty-two".