12221203130 has 8 divisors (see below), whose sum is σ = 21998165652. Its totient is φ = 4888481248.

The previous prime is 12221203097. The next prime is 12221203177. The reversal of 12221203130 is 3130212221.

It can be written as a sum of positive squares in 2 ways, for example, as 12176460409 + 44742721 = 110347^2 + 6689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12221203099 and 12221203108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611060147 + ... + 611060166.

Almost surely, 2^12221203130 is an apocalyptic number.

12221203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221203130 is a deficient number, since it is larger than the sum of its proper divisors (9776962522).

12221203130 is a wasteful number, since it uses less digits than its factorization.

12221203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222120320.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12221203130 its reverse (3130212221), we get a palindrome (15351415351).

Subtracting from 12221203130 its reverse (3130212221), we obtain a palindrome (9090990909).

The spelling of 12221203130 in words is "twelve billion, two hundred twenty-one million, two hundred three thousand, one hundred thirty".