12221012330 has 16 divisors (see below), whose sum is σ = 21999302784. Its totient is φ = 4888075920.

The previous prime is 12221012317. The next prime is 12221012339. The reversal of 12221012330 is 3321012221.

It is a junction number, because it is equal to n+sod(n) for n = 12221012299 and 12221012308.

It is not an unprimeable number, because it can be changed into a prime (12221012339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163235 + ... + 226025.

It is an arithmetic number, because the mean of its divisors is an integer number (1374956424).

Almost surely, 2^12221012330 is an apocalyptic number.

12221012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221012330 is a deficient number, since it is larger than the sum of its proper divisors (9778290454).

12221012330 is a wasteful number, since it uses less digits than its factorization.

12221012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82261.

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

Adding to 12221012330 its reverse (3321012221), we get a palindrome (15542024551).

The spelling of 12221012330 in words is "twelve billion, two hundred twenty-one million, twelve thousand, three hundred thirty".