50512313212 has 12 divisors (see below), whose sum is σ = 88442291896. Its totient is φ = 25243086960.

The previous prime is 50512313207. The next prime is 50512313227. The reversal of 50512313212 is 21231321505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258714 + ... + 3274177.

Almost surely, 2^50512313212 is an apocalyptic number.

It is an amenable number.

50512313212 is a deficient number, since it is larger than the sum of its proper divisors (37929978684).

50512313212 is a wasteful number, since it uses less digits than its factorization.

50512313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534828 (or 6534826 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 50512313212 its reverse (21231321505), we get a palindrome (71743634717).

The spelling of 50512313212 in words is "fifty billion, five hundred twelve million, three hundred thirteen thousand, two hundred twelve".