212855609255 has 8 divisors (see below), whose sum is σ = 264234549600. Its totient is φ = 164412608416.

The previous prime is 212855609207. The next prime is 212855609303. The reversal of 212855609255 is 552906558212.

It is an interprime number because it is at equal distance from previous prime (212855609207) and next prime (212855609303).

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

It is a cyclic number.

It is not a de Polignac number, because 212855609255 - 2²⁰ = 212854560679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733984715 + ... + 733985004.

It is an arithmetic number, because the mean of its divisors is an integer number (33029318700).

Almost surely, 2^212855609255 is an apocalyptic number.

212855609255 is a deficient number, since it is larger than the sum of its proper divisors (51378940345).

212855609255 is a wasteful number, since it uses less digits than its factorization.

212855609255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467969753.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 212855609255 in words is "two hundred twelve billion, eight hundred fifty-five million, six hundred nine thousand, two hundred fifty-five".