12131323101030 has 192 divisors, whose sum is σ = 33954240934080. Its totient is φ = 2765874779136.

The previous prime is 12131323100993. The next prime is 12131323101031. The reversal of 12131323101030 is 3010132313121.

It is a happy number.

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 = 12131323100988 and 12131323101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131323101031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1823433184 + ... + 1823439836.

It is an arithmetic number, because the mean of its divisors is an integer number (176845004865).

Almost surely, 2^{12131323101030} is an apocalyptic number.

12131323101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12131323101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16977120467040).

12131323101030 is an abundant number, since it is smaller than the sum of its proper divisors (21822917833050).

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

12131323101030 is a wasteful number, since it uses less digits than its factorization.

12131323101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623 (or 9616 counting only the distinct ones).

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

Adding to 12131323101030 its reverse (3010132313121), we get a palindrome (15141455414151).

The spelling of 12131323101030 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-three million, one hundred one thousand, thirty".