12122320332 has 24 divisors (see below), whose sum is σ = 28544916400. Its totient is φ = 4003701696.

The previous prime is 12122320319. The next prime is 12122320333. The reversal of 12122320332 is 23302322121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122320299 and 12122320308.

It is not an unprimeable number, because it can be changed into a prime (12122320333) 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, 4632607 + ... + 4635222.

Almost surely, 2^12122320332 is an apocalyptic number.

12122320332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122320332 is an abundant number, since it is smaller than the sum of its proper divisors (16422596068).

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

12122320332 is a wasteful number, since it uses less digits than its factorization.

12122320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267945 (or 9267943 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12122320332 its reverse (23302322121), we get a palindrome (35424642453).

The spelling of 12122320332 in words is "twelve billion, one hundred twenty-two million, three hundred twenty thousand, three hundred thirty-two".