501040212 has 24 divisors (see below), whose sum is σ = 1169747712. Its totient is φ = 166920000.

The previous prime is 501040193. The next prime is 501040237. The reversal of 501040212 is 212040105.

It is a junction number, because it is equal to n+sod(n) for n = 501040191 and 501040200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12712 + ... + 34112.

It is an arithmetic number, because the mean of its divisors is an integer number (48739488).

Almost surely, 2^501040212 is an apocalyptic number.

It is an amenable number.

501040212 is an abundant number, since it is smaller than the sum of its proper divisors (668707500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501040212 is a wasteful number, since it uses less digits than its factorization.

501040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23359 (or 23357 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 501040212 is about 22383.9275374095. The cubic root of 501040212 is about 794.2505559361.

Adding to 501040212 its reverse (212040105), we get a palindrome (713080317).

The spelling of 501040212 in words is "five hundred one million, forty thousand, two hundred twelve".