12112031213140 has 96 divisors (see below), whose sum is σ = 26025118348320. Its totient is φ = 4733619609600.

The previous prime is 12112031213137. The next prime is 12112031213147. The reversal of 12112031213140 is 4131213021121.

It can be written as a sum of positive squares in 16 ways, for example, as 11891490147216 + 220541065924 = 3448404^2 + 469618^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112031213147) 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 31 ways as a sum of consecutive naturals, for example, 119622856 + ... + 119724064.

It is an arithmetic number, because the mean of its divisors is an integer number (271094982795).

Almost surely, 2^{12112031213140} is an apocalyptic number.

12112031213140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112031213140 is an abundant number, since it is smaller than the sum of its proper divisors (13913087135180).

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

12112031213140 is a wasteful number, since it uses less digits than its factorization.

12112031213140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101933 (or 101931 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12112031213140 its reverse (4131213021121), we get a palindrome (16243244234261).

The spelling of 12112031213140 in words is "twelve trillion, one hundred twelve billion, thirty-one million, two hundred thirteen thousand, one hundred forty".