505212112016 has 10 divisors (see below), whose sum is σ = 978848467062. Its totient is φ = 252606056000.

The previous prime is 505212112007. The next prime is 505212112043. The reversal of 505212112016 is 610211212505.

It can be written as a sum of positive squares in only one way, i.e., 505100175616 + 111936400 = 710704^2 + 10580^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15787878485 + ... + 15787878516.

Almost surely, 2^505212112016 is an apocalyptic number.

It is an amenable number.

505212112016 is a deficient number, since it is larger than the sum of its proper divisors (473636355046).

505212112016 is a wasteful number, since it uses less digits than its factorization.

505212112016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31575757009 (or 31575757003 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 505212112016 in words is "five hundred five billion, two hundred twelve million, one hundred twelve thousand, sixteen".