13140040421112 has 128 divisors (see below), whose sum is σ = 36300280896000. Its totient is φ = 3930447319040.

The previous prime is 13140040421083. The next prime is 13140040421113. The reversal of 13140040421112 is 21112404004131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140040421113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13461589 + ... + 14404667.

It is an arithmetic number, because the mean of its divisors is an integer number (283595944500).

Almost surely, 2^{13140040421112} is an apocalyptic number.

13140040421112 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 13140040421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18150140448000).

13140040421112 is an abundant number, since it is smaller than the sum of its proper divisors (23160240474888).

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

13140040421112 is a wasteful number, since it uses less digits than its factorization.

13140040421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943781 (or 943777 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 13140040421112 its reverse (21112404004131), we get a palindrome (34252444425243).

The spelling of 13140040421112 in words is "thirteen trillion, one hundred forty billion, forty million, four hundred twenty-one thousand, one hundred twelve".