505084209212 has 48 divisors (see below), whose sum is σ = 1021418022240. Its totient is φ = 215984486400.

The previous prime is 505084209209. The next prime is 505084209221. The reversal of 505084209212 is 212902480505.

It is a super-2 number, since 2×505084209212² (a number of 24 digits) contains 22 as substring.

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, 1580912 + ... + 1873352.

It is an arithmetic number, because the mean of its divisors is an integer number (21279542130).

Almost surely, 2^505084209212 is an apocalyptic number.

It is an amenable number.

505084209212 is an abundant number, since it is smaller than the sum of its proper divisors (516333813028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505084209212 is a wasteful number, since it uses less digits than its factorization.

505084209212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294782 (or 294780 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

Adding to 505084209212 its reverse (212902480505), we get a palindrome (717986689717).

The spelling of 505084209212 in words is "five hundred five billion, eighty-four million, two hundred nine thousand, two hundred twelve".