212276 has 6 divisors (see below), whose sum is σ = 371490. Its totient is φ = 106136.

The previous prime is 212243. The next prime is 212281. The reversal of 212276 is 672212.

212276 = T₂₆₃ + T₂₆₄ + ... + T₂₆₈.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 676 = 460^2 + 26^2 .

It is a super-2 number, since 2×212276² = 90122200352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26531 + ... + 26538.

It is an arithmetic number, because the mean of its divisors is an integer number (61915).

2²¹²²⁷⁶ is an apocalyptic number.

It is an amenable number.

212276 is a deficient number, since it is larger than the sum of its proper divisors (159214).

212276 is a wasteful number, since it uses less digits than its factorization.

212276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53073 (or 53071 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 212276 is about 460.7341966905. The cubic root of 212276 is about 59.6531843630.

Adding to 212276 its reverse (672212), we get a palindrome (884488).

The spelling of 212276 in words is "two hundred twelve thousand, two hundred seventy-six".