520212012 has 12 divisors (see below), whose sum is σ = 1213828056. Its totient is φ = 173404000.

The previous prime is 520211987. The next prime is 520212037. The reversal of 520212012 is 210212025.

It is an interprime number because it is at equal distance from previous prime (520211987) and next prime (520212037).

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

It is a junction number, because it is equal to n+sod(n) for n = 520211982 and 520212000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21675489 + ... + 21675512.

It is an arithmetic number, because the mean of its divisors is an integer number (101152338).

Almost surely, 2^520212012 is an apocalyptic number.

It is an amenable number.

520212012 is an abundant number, since it is smaller than the sum of its proper divisors (693616044).

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

520212012 is a wasteful number, since it uses less digits than its factorization.

520212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43351008 (or 43351006 counting only the distinct ones).

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

The square root of 520212012 is about 22808.1566988654. The cubic root of 520212012 is about 804.2544243184.

Adding to 520212012 its reverse (210212025), we get a palindrome (730424037).

The spelling of 520212012 in words is "five hundred twenty million, two hundred twelve thousand, twelve".