501212205050 has 12 divisors (see below), whose sum is σ = 932254701486. Its totient is φ = 200484882000.

The previous prime is 501212205049. The next prime is 501212205071. The reversal of 501212205050 is 50502212105.

It can be written as a sum of positive squares in 3 ways, for example, as 450819587761 + 50392617289 = 671431^2 + 224483^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5012122001 + ... + 5012122100.

Almost surely, 2^501212205050 is an apocalyptic number.

501212205050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

501212205050 is a deficient number, since it is larger than the sum of its proper divisors (431042496436).

501212205050 is a wasteful number, since it uses less digits than its factorization.

501212205050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024244113 (or 10024244108 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 501212205050 its reverse (50502212105), we get a palindrome (551714417155).

The spelling of 501212205050 in words is "five hundred one billion, two hundred twelve million, two hundred five thousand, fifty".