505030212205 has 16 divisors (see below), whose sum is σ = 614695851504. Its totient is φ = 398257551360.

The previous prime is 505030212179. The next prime is 505030212221. The reversal of 505030212205 is 502212030505.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 729972324 + 504300239881 = 27018^2 + 710141^2 .

It is a de Polignac number, because none of the positive numbers 2^k-505030212205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505030212205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226177 + ... + 1030153.

It is an arithmetic number, because the mean of its divisors is an integer number (38418490719).

Almost surely, 2^505030212205 is an apocalyptic number.

It is an amenable number.

505030212205 is a deficient number, since it is larger than the sum of its proper divisors (109665639299).

505030212205 is a wasteful number, since it uses less digits than its factorization.

505030212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805776.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 505030212205 in words is "five hundred five billion, thirty million, two hundred twelve thousand, two hundred five".