12221132230 has 64 divisors (see below), whose sum is σ = 22909962240. Its totient is φ = 4690454400.

The previous prime is 12221132219. The next prime is 12221132251. The reversal of 12221132230 is 3223112221.

It is a junction number, because it is equal to n+sod(n) for n = 12221132198 and 12221132207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12585645 + ... + 12586615.

It is an arithmetic number, because the mean of its divisors is an integer number (357968160).

Almost surely, 2^12221132230 is an apocalyptic number.

12221132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221132230 is a deficient number, since it is larger than the sum of its proper divisors (10688830010).

12221132230 is a wasteful number, since it uses less digits than its factorization.

12221132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221132230 its reverse (3223112221), we get a palindrome (15444244451).

The spelling of 12221132230 in words is "twelve billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred thirty".