12220500352 has 64 divisors (see below), whose sum is σ = 24710540400. Its totient is φ = 6019078144.

The previous prime is 12220500311. The next prime is 12220500361. The reversal of 12220500352 is 25300502221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4131258 + ... + 4134214.

Almost surely, 2^12220500352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220500352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12355270200).

12220500352 is an abundant number, since it is smaller than the sum of its proper divisors (12490040048).

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

12220500352 is an equidigital number, since it uses as much as digits as its factorization.

12220500352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 12220500352 in words is "twelve billion, two hundred twenty million, five hundred thousand, three hundred fifty-two".