12331123320 has 32 divisors (see below), whose sum is σ = 36993370320. Its totient is φ = 3288299520.

The previous prime is 12331123313. The next prime is 12331123327. The reversal of 12331123320 is 2332113321.

It is an interprime number because it is at equal distance from previous prime (12331123313) and next prime (12331123327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331123327) 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, 51379561 + ... + 51379800.

Almost surely, 2^12331123320 is an apocalyptic number.

12331123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331123320 is an abundant number, since it is smaller than the sum of its proper divisors (24662247000).

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

12331123320 is a wasteful number, since it uses less digits than its factorization.

12331123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102759375 (or 102759371 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12331123320 its reverse (2332113321), we get a palindrome (14663236641).

Subtracting from 12331123320 its reverse (2332113321), we obtain a palindrome (9999009999).

The spelling of 12331123320 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty".