520012412 has 6 divisors (see below), whose sum is σ = 910021728. Its totient is φ = 260006204.

The previous prime is 520012397. The next prime is 520012421. The reversal of 520012412 is 214210025.

It is a congruent number.

It is an unprimeable number.

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, 65001548 + ... + 65001555.

It is an arithmetic number, because the mean of its divisors is an integer number (151670288).

Almost surely, 2^520012412 is an apocalyptic number.

It is an amenable number.

520012412 is a deficient number, since it is larger than the sum of its proper divisors (390009316).

520012412 is a wasteful number, since it uses less digits than its factorization.

520012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130003107 (or 130003105 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 520012412 is about 22803.7806514622. The cubic root of 520012412 is about 804.1515497756.

Adding to 520012412 its reverse (214210025), we get a palindrome (734222437).

The spelling of 520012412 in words is "five hundred twenty million, twelve thousand, four hundred twelve".