212064365 has 8 divisors (see below), whose sum is σ = 258649368. Its totient is φ = 166870080.

The previous prime is 212064323. The next prime is 212064367. The reversal of 212064365 is 563460212.

It can be written as a sum of positive squares in 4 ways, for example, as 12096484 + 199967881 = 3478^2 + 14141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212064365 - 2⁸ = 212064109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212064367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347342 + ... + 347951.

It is an arithmetic number, because the mean of its divisors is an integer number (32331171).

Almost surely, 2^212064365 is an apocalyptic number.

It is an amenable number.

212064365 is a deficient number, since it is larger than the sum of its proper divisors (46585003).

212064365 is an equidigital number, since it uses as much as digits as its factorization.

212064365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695359.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 212064365 is about 14562.4299139944. The cubic root of 212064365 is about 596.3335342033. Note that the first 3 decimals are identical.

The spelling of 212064365 in words is "two hundred twelve million, sixty-four thousand, three hundred sixty-five".