212065263 has 8 divisors (see below), whose sum is σ = 314170800. Its totient is φ = 141376824.

The previous prime is 212065261. The next prime is 212065279. The reversal of 212065263 is 362560212.

212065263 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 652 + 6 + 3 = 666.

It is not a de Polignac number, because 212065263 - 2¹ = 212065261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7854269 = 212065263 / (2 + 1 + 2 + 0 + 6 + 5 + 2 + 6 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212065261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927108 + ... + 3927161.

It is an arithmetic number, because the mean of its divisors is an integer number (39271350).

Almost surely, 2^212065263 is an apocalyptic number.

212065263 is a deficient number, since it is larger than the sum of its proper divisors (102105537).

212065263 is an equidigital number, since it uses as much as digits as its factorization.

212065263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854278 (or 7854272 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 212065263 is about 14562.4607467282. The cubic root of 212065263 is about 596.3343759395.

The spelling of 212065263 in words is "two hundred twelve million, sixty-five thousand, two hundred sixty-three".