212130532 has 6 divisors (see below), whose sum is σ = 371228438. Its totient is φ = 106065264.

The previous prime is 212130517. The next prime is 212130557. The reversal of 212130532 is 235031212.

212130532 is digitally balanced in base 2, 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., 160376896 + 51753636 = 12664^2 + 7194^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26516313 + ... + 26516320.

Almost surely, 2^212130532 is an apocalyptic number.

It is an amenable number.

212130532 is a deficient number, since it is larger than the sum of its proper divisors (159097906).

212130532 is a wasteful number, since it uses less digits than its factorization.

212130532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53032637 (or 53032635 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 212130532 is about 14564.7015760708. The cubic root of 212130532 is about 596.3955491768.

Adding to 212130532 its reverse (235031212), we get a palindrome (447161744).

The spelling of 212130532 in words is "two hundred twelve million, one hundred thirty thousand, five hundred thirty-two".