212316003565 has 8 divisors (see below), whose sum is σ = 258269330808. Its totient is φ = 167526051840.

The previous prime is 212316003553. The next prime is 212316003589. The reversal of 212316003565 is 565300613212.

212316003565 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8335507401 + 203980496164 = 91299^2 + 451642^2 .

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

It is not a de Polignac number, because 212316003565 - 2²³ = 212307614957 is a prime.

It is a Duffinian number.

212316003565 is strictly pandigital in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 212316003565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290843476 + ... + 290844205.

It is an arithmetic number, because the mean of its divisors is an integer number (32283666351).

Almost surely, 2^212316003565 is an apocalyptic number.

It is an amenable number.

212316003565 is a deficient number, since it is larger than the sum of its proper divisors (45953327243).

212316003565 is an equidigital number, since it uses as much as digits as its factorization.

212316003565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581687759.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 212316003565 its reverse (565300613212), we get a palindrome (777616616777).

The spelling of 212316003565 in words is "two hundred twelve billion, three hundred sixteen million, three thousand, five hundred sixty-five".