12221311130 has 16 divisors (see below), whose sum is σ = 25140983040. Its totient is φ = 4190163792.

The previous prime is 12221311111. The next prime is 12221311171. The reversal of 12221311130 is 3111312221.

It is a junction number, because it is equal to n+sod(n) for n = 12221311099 and 12221311108.

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, 87295010 + ... + 87295149.

It is an arithmetic number, because the mean of its divisors is an integer number (1571311440).

Almost surely, 2^12221311130 is an apocalyptic number.

12221311130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221311130 is an abundant number, since it is smaller than the sum of its proper divisors (12919671910).

12221311130 is a wasteful number, since it uses less digits than its factorization.

12221311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174590173.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12221311130 its reverse (3111312221), we get a palindrome (15332623351).

The spelling of 12221311130 in words is "twelve billion, two hundred twenty-one million, three hundred eleven thousand, one hundred thirty".