505213012132 has 6 divisors (see below), whose sum is σ = 884122771238. Its totient is φ = 252606506064.

The previous prime is 505213012123. The next prime is 505213012169. The reversal of 505213012132 is 231210312505.

It can be written as a sum of positive squares in only one way, i.e., 418979165796 + 86233846336 = 647286^2 + 293656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505213012097 and 505213012106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63151626513 + ... + 63151626520.

Almost surely, 2^505213012132 is an apocalyptic number.

It is an amenable number.

505213012132 is a deficient number, since it is larger than the sum of its proper divisors (378909759106).

505213012132 is a wasteful number, since it uses less digits than its factorization.

505213012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126303253037 (or 126303253035 counting only the distinct ones).

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

Adding to 505213012132 its reverse (231210312505), we get a palindrome (736423324637).

The spelling of 505213012132 in words is "five hundred five billion, two hundred thirteen million, twelve thousand, one hundred thirty-two".