131423121011112 has 128 divisors (see below), whose sum is σ = 380068431759360. Its totient is φ = 37093761619200.

The previous prime is 131423121011081. The next prime is 131423121011129. The reversal of 131423121011112 is 211110121324131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1225108 + ... + 16258755.

It is an arithmetic number, because the mean of its divisors is an integer number (2969284623120).

Almost surely, 2^{131423121011112} is an apocalyptic number.

131423121011112 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 131423121011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190034215879680).

131423121011112 is an abundant number, since it is smaller than the sum of its proper divisors (248645310748248).

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

131423121011112 is a wasteful number, since it uses less digits than its factorization.

131423121011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17484423 (or 17484419 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 131423121011112 its reverse (211110121324131), we get a palindrome (342533242335243).

The spelling of 131423121011112 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred twenty-one million, eleven thousand, one hundred twelve".