5220012 has 24 divisors (see below), whose sum is σ = 13920256. Its totient is φ = 1491408.

The previous prime is 5220001. The next prime is 5220013. The reversal of 5220012 is 2100225.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5220012.

It is not an unprimeable number, because it can be changed into a prime (5220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30988 + ... + 31155.

Almost surely, 2^5220012 is an apocalyptic number.

It is an amenable number.

5220012 is an abundant number, since it is smaller than the sum of its proper divisors (8700244).

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

5220012 is a wasteful number, since it uses less digits than its factorization.

5220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62157 (or 62155 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 5220012 is about 2284.7345578863. The cubic root of 5220012 is about 173.4697824333.

Adding to 5220012 its reverse (2100225), we get a palindrome (7320237).

The spelling of 5220012 in words is "five million, two hundred twenty thousand, twelve".