12122332320 has 96 divisors (see below), whose sum is σ = 43640408448. Its totient is φ = 2770818048.

The previous prime is 12122332283. The next prime is 12122332381. The reversal of 12122332320 is 2323322121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800559 + ... + 1807278.

It is an arithmetic number, because the mean of its divisors is an integer number (454587588).

Almost surely, 2^12122332320 is an apocalyptic number.

12122332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122332320 is an abundant number, since it is smaller than the sum of its proper divisors (31518076128).

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

12122332320 is a wasteful number, since it uses less digits than its factorization.

12122332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607862 (or 3607854 counting only the distinct ones).

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

Adding to 12122332320 its reverse (2323322121), we get a palindrome (14445654441).

The spelling of 12122332320 in words is "twelve billion, one hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty".