12122211330 has 80 divisors (see below), whose sum is σ = 33288900480. Its totient is φ = 3163801248.

The previous prime is 12122211317. The next prime is 12122211349. The reversal of 12122211330 is 3311222121.

12122211330 is a `hidden beast` number, since 1 + 2 + 122 + 211 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 121140 + ... + 197279.

It is an arithmetic number, because the mean of its divisors is an integer number (416111256).

Almost surely, 2^12122211330 is an apocalyptic number.

12122211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122211330 is an abundant number, since it is smaller than the sum of its proper divisors (21166689150).

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

12122211330 is a wasteful number, since it uses less digits than its factorization.

12122211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318485 (or 318476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12122211330 its reverse (3311222121), we get a palindrome (15433433451).

The spelling of 12122211330 in words is "twelve billion, one hundred twenty-two million, two hundred eleven thousand, three hundred thirty".