212276055 has 16 divisors (see below), whose sum is σ = 342319104. Its totient is φ = 112321440.

The previous prime is 212276047. The next prime is 212276087. The reversal of 212276055 is 550672212.

It is not a de Polignac number, because 212276055 - 2³ = 212276047 is a prime.

It is a super-2 number, since 2×212276055² = 90122247052726050, 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 in 15 ways as a sum of consecutive naturals, for example, 53811 + ... + 57620.

It is an arithmetic number, because the mean of its divisors is an integer number (21394944).

Almost surely, 2^212276055 is an apocalyptic number.

212276055 is a deficient number, since it is larger than the sum of its proper divisors (130043049).

212276055 is a wasteful number, since it uses less digits than its factorization.

212276055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111566.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 212276055 is about 14569.6964621779. The cubic root of 212276055 is about 596.5318951493.

The spelling of 212276055 in words is "two hundred twelve million, two hundred seventy-six thousand, fifty-five".