12310031133120 has 112 divisors (see below), whose sum is σ = 44667827278848. Its totient is φ = 2813721400320.

The previous prime is 12310031133109. The next prime is 12310031133121. The reversal of 12310031133120 is 2133113001321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310031133121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915918216 + ... + 915931655.

Almost surely, 2^{12310031133120} is an apocalyptic number.

12310031133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310031133120 is an abundant number, since it is smaller than the sum of its proper divisors (32357796145728).

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

12310031133120 is a wasteful number, since it uses less digits than its factorization.

12310031133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831849898 (or 1831849888 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12310031133120 its reverse (2133113001321), we get a palindrome (14443144134441).

The spelling of 12310031133120 in words is "twelve trillion, three hundred ten billion, thirty-one million, one hundred thirty-three thousand, one hundred twenty".