212132276 has 6 divisors (see below), whose sum is σ = 371231490. Its totient is φ = 106066136.

The previous prime is 212132267. The next prime is 212132281. The reversal of 212132276 is 672231212.

It can be written as a sum of positive squares in only one way, i.e., 176252176 + 35880100 = 13276^2 + 5990^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 26516531 + ... + 26516538.

It is an arithmetic number, because the mean of its divisors is an integer number (61871915).

Almost surely, 2^212132276 is an apocalyptic number.

It is an amenable number.

212132276 is a deficient number, since it is larger than the sum of its proper divisors (159099214).

212132276 is a wasteful number, since it uses less digits than its factorization.

212132276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53033073 (or 53033071 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 212132276 is about 14564.7614467248. The cubic root of 212132276 is about 596.3971835651.

Adding to 212132276 its reverse (672231212), we get a palindrome (884363488).

The spelling of 212132276 in words is "two hundred twelve million, one hundred thirty-two thousand, two hundred seventy-six".