12221322123330 has 24 divisors (see below), whose sum is σ = 31775437520892. Its totient is φ = 3259019232864.

The previous prime is 12221322123319. The next prime is 12221322123331. The reversal of 12221322123330 is 3332122312221.

12221322123330 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 322 + 1 + 2 + 3 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11326260433401 + 895061689929 = 3365451^2 + 946077^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12221322123294 and 12221322123303.

It is not an unprimeable number, because it can be changed into a prime (12221322123331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67896233929 + ... + 67896234108.

Almost surely, 2^{12221322123330} is an apocalyptic number.

12221322123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221322123330 is an abundant number, since it is smaller than the sum of its proper divisors (19554115397562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221322123330 is a wasteful number, since it uses less digits than its factorization.

12221322123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135792468050 (or 135792468047 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12221322123330 its reverse (3332122312221), we get a palindrome (15553444435551).

The spelling of 12221322123330 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred thirty".