12131030021310 has 48 divisors (see below), whose sum is σ = 32211756323136. Its totient is φ = 3166112798784.

The previous prime is 12131030021273. The next prime is 12131030021317. The reversal of 12131030021310 is 1312003013121.

12131030021310 is a `hidden beast` number, since 1 + 2 + 1 + 31 + 0 + 300 + 21 + 310 = 666.

It is a super-2 number, since 2×12131030021310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131030021317) by changing a digit.

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, 1433923669 + ... + 1433932128.

It is an arithmetic number, because the mean of its divisors is an integer number (671078256732).

Almost surely, 2^{12131030021310} is an apocalyptic number.

12131030021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131030021310 is an abundant number, since it is smaller than the sum of its proper divisors (20080726301826).

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

12131030021310 is a wasteful number, since it uses less digits than its factorization.

12131030021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867855857 (or 2867855854 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12131030021310 its reverse (1312003013121), we get a palindrome (13443033034431).

The spelling of 12131030021310 in words is "twelve trillion, one hundred thirty-one billion, thirty million, twenty-one thousand, three hundred ten".