5321512223220 has 48 divisors (see below), whose sum is σ = 15380886947328. Its totient is φ = 1373293476480.

The previous prime is 5321512223191. The next prime is 5321512223309. The reversal of 5321512223220 is 223222151235.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 in 15 ways as a sum of consecutive naturals, for example, 1430512179 + ... + 1430515898.

It is an arithmetic number, because the mean of its divisors is an integer number (320435144736).

Almost surely, 2^{5321512223220} is an apocalyptic number.

It is an amenable number.

5321512223220 is an abundant number, since it is smaller than the sum of its proper divisors (10059374724108).

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

5321512223220 is a wasteful number, since it uses less digits than its factorization.

5321512223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861028120 (or 2861028118 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 5321512223220 its reverse (223222151235), we get a palindrome (5544734374455).

The spelling of 5321512223220 in words is "five trillion, three hundred twenty-one billion, five hundred twelve million, two hundred twenty-three thousand, two hundred twenty".