501210212 has 6 divisors (see below), whose sum is σ = 877117878. Its totient is φ = 250605104.

The previous prime is 501210163. The next prime is 501210217. The reversal of 501210212 is 212012105.

It can be written as a sum of positive squares in only one way, i.e., 276689956 + 224520256 = 16634^2 + 14984^2 .

It is a super-2 number, since 2×501210212² = 502423353226169888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62651273 + ... + 62651280.

It is an arithmetic number, because the mean of its divisors is an integer number (146186313).

Almost surely, 2^501210212 is an apocalyptic number.

It is an amenable number.

501210212 is a deficient number, since it is larger than the sum of its proper divisors (375907666).

501210212 is a wasteful number, since it uses less digits than its factorization.

501210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125302557 (or 125302555 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 501210212 is about 22387.7245829048. The cubic root of 501210212 is about 794.3403739609.

Adding to 501210212 its reverse (212012105), we get a palindrome (713222317).

The spelling of 501210212 in words is "five hundred one million, two hundred ten thousand, two hundred twelve".