12031200231330 has 32 divisors (see below), whose sum is σ = 32999863492224. Its totient is φ = 2749988624256.

The previous prime is 12031200231317. The next prime is 12031200231389. The reversal of 12031200231330 is 3313200213021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12031200231297 and 12031200231306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28645714627 + ... + 28645715046.

It is an arithmetic number, because the mean of its divisors is an integer number (1031245734132).

Almost surely, 2^{12031200231330} is an apocalyptic number.

12031200231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031200231330 is an abundant number, since it is smaller than the sum of its proper divisors (20968663260894).

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

12031200231330 is a wasteful number, since it uses less digits than its factorization.

12031200231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57291429690.

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

Adding to 12031200231330 its reverse (3313200213021), we get a palindrome (15344400444351).

The spelling of 12031200231330 in words is "twelve trillion, thirty-one billion, two hundred million, two hundred thirty-one thousand, three hundred thirty".