505031106212 has 48 divisors (see below), whose sum is σ = 901865301120. Its totient is φ = 247401772800.

The previous prime is 505031106187. The next prime is 505031106253. The reversal of 505031106212 is 212601130505.

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, 113717912 + ... + 113722352.

It is an arithmetic number, because the mean of its divisors is an integer number (18788860440).

Almost surely, 2^505031106212 is an apocalyptic number.

It is an amenable number.

505031106212 is a deficient number, since it is larger than the sum of its proper divisors (396834194908).

505031106212 is a wasteful number, since it uses less digits than its factorization.

505031106212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932 (or 6930 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 505031106212 its reverse (212601130505), we get a palindrome (717632236717).

The spelling of 505031106212 in words is "five hundred five billion, thirty-one million, one hundred six thousand, two hundred twelve".