131012030112 has 96 divisors (see below), whose sum is σ = 353032001280. Its totient is φ = 42527047680.

The previous prime is 131012030111. The next prime is 131012030147. The reversal of 131012030112 is 211030210131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 131012030091 and 131012030100.

It is not an unprimeable number, because it can be changed into a prime (131012030111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435312 + ... + 671952.

It is an arithmetic number, because the mean of its divisors is an integer number (3677416680).

Almost surely, 2^131012030112 is an apocalyptic number.

131012030112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131012030112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176516000640).

131012030112 is an abundant number, since it is smaller than the sum of its proper divisors (222019971168).

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

131012030112 is a wasteful number, since it uses less digits than its factorization.

131012030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236806 (or 236798 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131012030112 its reverse (211030210131), we get a palindrome (342042240243).

The spelling of 131012030112 in words is "one hundred thirty-one billion, twelve million, thirty thousand, one hundred twelve".