5215220643012 has 12 divisors (see below), whose sum is σ = 12168848167056. Its totient is φ = 1738406881000.

The previous prime is 5215220642971. The next prime is 5215220643029. The reversal of 5215220643012 is 2103460225125.

It is a happy number.

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

It is a super-3 number, since 3×5215220643012³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217300860114 + ... + 217300860137.

It is an arithmetic number, because the mean of its divisors is an integer number (1014070680588).

Almost surely, 2^{5215220643012} is an apocalyptic number.

It is an amenable number.

5215220643012 is an abundant number, since it is smaller than the sum of its proper divisors (6953627524044).

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

5215220643012 is a wasteful number, since it uses less digits than its factorization.

5215220643012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434601720258 (or 434601720256 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 5215220643012 its reverse (2103460225125), we get a palindrome (7318680868137).

The spelling of 5215220643012 in words is "five trillion, two hundred fifteen billion, two hundred twenty million, six hundred forty-three thousand, twelve".