501512412 has 12 divisors (see below), whose sum is σ = 1170195656. Its totient is φ = 167170800.

The previous prime is 501512387. The next prime is 501512441. The reversal of 501512412 is 214215105.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20896339 + ... + 20896362.

Almost surely, 2^501512412 is an apocalyptic number.

It is an amenable number.

501512412 is an abundant number, since it is smaller than the sum of its proper divisors (668683244).

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

501512412 is a wasteful number, since it uses less digits than its factorization.

501512412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41792708 (or 41792706 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 501512412 is about 22394.4728002246. The cubic root of 501512412 is about 794.4999885805.

Adding to 501512412 its reverse (214215105), we get a palindrome (715727517).

The spelling of 501512412 in words is "five hundred one million, five hundred twelve thousand, four hundred twelve".