212276056 has 32 divisors (see below), whose sum is σ = 433422000. Its totient is φ = 97082496.

The previous prime is 212276047. The next prime is 212276087. The reversal of 212276056 is 650672212.

It is a super-2 number, since 2×212276056² = 90122247901830272, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 19671 + ... + 28486.

Almost surely, 2^212276056 is an apocalyptic number.

It is an amenable number.

212276056 is an abundant number, since it is smaller than the sum of its proper divisors (221145944).

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

212276056 is a wasteful number, since it uses less digits than its factorization.

212276056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48211 (or 48207 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 212276056 is about 14569.6964964957. The cubic root of 212276056 is about 596.5318960860.

The spelling of 212276056 in words is "two hundred twelve million, two hundred seventy-six thousand, fifty-six".