5221020312 has 48 divisors (see below), whose sum is σ = 14143988040. Its totient is φ = 1739881728.

The previous prime is 5221020227. The next prime is 5221020349. The reversal of 5221020312 is 2130201225.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369408 + ... + 383280.

Almost surely, 2^5221020312 is an apocalyptic number.

It is an amenable number.

5221020312 is an abundant number, since it is smaller than the sum of its proper divisors (8922967728).

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

5221020312 is a wasteful number, since it uses less digits than its factorization.

5221020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112 (or 19105 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5221020312 is about 72256.6281527169. The cubic root of 5221020312 is about 1734.8095101569.

Adding to 5221020312 its reverse (2130201225), we get a palindrome (7351221537).

The spelling of 5221020312 in words is "five billion, two hundred twenty-one million, twenty thousand, three hundred twelve".