12323110231220 has 12 divisors (see below), whose sum is σ = 25878531485604. Its totient is φ = 4929244092480.

The previous prime is 12323110231219. The next prime is 12323110231273. The reversal of 12323110231220 is 2213201132321.

It can be written as a sum of positive squares in 2 ways, for example, as 6194732722084 + 6128377509136 = 2488922^2 + 2475556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308077755761 + ... + 308077755800.

It is an arithmetic number, because the mean of its divisors is an integer number (2156544290467).

Almost surely, 2^{12323110231220} is an apocalyptic number.

12323110231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323110231220 is an abundant number, since it is smaller than the sum of its proper divisors (13555421254384).

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

12323110231220 is a wasteful number, since it uses less digits than its factorization.

12323110231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616155511570 (or 616155511568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12323110231220 its reverse (2213201132321), we get a palindrome (14536311363541).

The spelling of 12323110231220 in words is "twelve trillion, three hundred twenty-three billion, one hundred ten million, two hundred thirty-one thousand, two hundred twenty".