12211444330 has 32 divisors (see below), whose sum is σ = 22411209600. Its totient is φ = 4789017792.

The previous prime is 12211444309. The next prime is 12211444337. The reversal of 12211444330 is 3344411221.

It is a junction number, because it is equal to n+sod(n) for n = 12211444295 and 12211444304.

It is not an unprimeable number, because it can be changed into a prime (12211444337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818881 + ... + 833659.

It is an arithmetic number, because the mean of its divisors is an integer number (700350300).

Almost surely, 2^12211444330 is an apocalyptic number.

12211444330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211444330 is a deficient number, since it is larger than the sum of its proper divisors (10199765270).

12211444330 is a wasteful number, since it uses less digits than its factorization.

12211444330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12211444330 its reverse (3344411221), we get a palindrome (15555855551).

The spelling of 12211444330 in words is "twelve billion, two hundred eleven million, four hundred forty-four thousand, three hundred thirty".