212803600055 has 8 divisors (see below), whose sum is σ = 256048945152. Its totient is φ = 169786463328.

The previous prime is 212803600039. The next prime is 212803600109. The reversal of 212803600055 is 550006308212.

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 212803600055 - 2⁴ = 212803600039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212803599994 and 212803600030.

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, 57050039 + ... + 57053768.

It is an arithmetic number, because the mean of its divisors is an integer number (32006118144).

Almost surely, 2^212803600055 is an apocalyptic number.

212803600055 is a deficient number, since it is larger than the sum of its proper divisors (43245345097).

212803600055 is a wasteful number, since it uses less digits than its factorization.

212803600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114104185.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 212803600055 its reverse (550006308212), we get a palindrome (762809908267).

The spelling of 212803600055 in words is "two hundred twelve billion, eight hundred three million, six hundred thousand, fifty-five".