12323131112100 has 72 divisors (see below), whose sum is σ = 35656071177888. Its totient is φ = 3286062752000.

The previous prime is 12323131112099. The next prime is 12323131112113. The reversal of 12323131112100 is 121113132321.

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 23 ways as a sum of consecutive naturals, for example, 8928400 + ... + 10215800.

It is an arithmetic number, because the mean of its divisors is an integer number (495223210804).

Almost surely, 2^{12323131112100} is an apocalyptic number.

12323131112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323131112100 is an abundant number, since it is smaller than the sum of its proper divisors (23332940065788).

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

12323131112100 is a wasteful number, since it uses less digits than its factorization.

12323131112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319325 (or 1319318 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12323131112100 its reverse (121113132321), we get a palindrome (12444244244421).

The spelling of 12323131112100 in words is "twelve trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred twelve thousand, one hundred".