12227416320 has 144 divisors (see below), whose sum is σ = 44630167680. Its totient is φ = 2794831872.

The previous prime is 12227416319. The next prime is 12227416337. The reversal of 12227416320 is 2361472221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200565 + ... + 254324.

It is an arithmetic number, because the mean of its divisors is an integer number (309931720).

Almost surely, 2^12227416320 is an apocalyptic number.

12227416320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12227416320 is an abundant number, since it is smaller than the sum of its proper divisors (32402751360).

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

12227416320 is an equidigital number, since it uses as much as digits as its factorization.

12227416320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454920 (or 454906 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 12227416320 its reverse (2361472221), we get a palindrome (14588888541).

The spelling of 12227416320 in words is "twelve billion, two hundred twenty-seven million, four hundred sixteen thousand, three hundred twenty".