12031023102320 has 20 divisors (see below), whose sum is σ = 27972128713080. Its totient is φ = 4812409240896.

The previous prime is 12031023102271. The next prime is 12031023102341. The reversal of 12031023102320 is 2320132013021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12031023102292 and 12031023102301.

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, 75193894310 + ... + 75193894469.

It is an arithmetic number, because the mean of its divisors is an integer number (1398606435654).

Almost surely, 2^{12031023102320} is an apocalyptic number.

12031023102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031023102320 is an abundant number, since it is smaller than the sum of its proper divisors (15941105610760).

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

12031023102320 is a wasteful number, since it uses less digits than its factorization.

12031023102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150387788792 (or 150387788786 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12031023102320 its reverse (2320132013021), we get a palindrome (14351155115341).

The spelling of 12031023102320 in words is "twelve trillion, thirty-one billion, twenty-three million, one hundred two thousand, three hundred twenty".