12122313221332 has 12 divisors (see below), whose sum is σ = 21217484766996. Its totient is φ = 6060174716480.

The previous prime is 12122313221303. The next prime is 12122313221351. The reversal of 12122313221332 is 23312231322121.

It can be written as a sum of positive squares in 2 ways, for example, as 158711404996 + 11963601816336 = 398386^2 + 3458844^2 .

It is a super-2 number, since 2×12122313221332² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12122313221332.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 245445769 + ... + 245495152.

It is an arithmetic number, because the mean of its divisors is an integer number (1768123730583).

Almost surely, 2^{12122313221332} is an apocalyptic number.

It is an amenable number.

12122313221332 is a deficient number, since it is larger than the sum of its proper divisors (9095171545664).

12122313221332 is a wasteful number, since it uses less digits than its factorization.

12122313221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490947098 (or 490947096 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 12122313221332 its reverse (23312231322121), we get a palindrome (35434544543453).

The spelling of 12122313221332 in words is "twelve trillion, one hundred twenty-two billion, three hundred thirteen million, two hundred twenty-one thousand, three hundred thirty-two".