12231140411440 has 160 divisors (see below), whose sum is σ = 29425416652800. Its totient is φ = 4725127280640.

The previous prime is 12231140411437. The next prime is 12231140411447. The reversal of 12231140411440 is 4411404113221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12231140411399 and 12231140411408.

It is not an unprimeable number, because it can be changed into a prime (12231140411447) 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, 130881051 + ... + 130974469.

It is an arithmetic number, because the mean of its divisors is an integer number (183908854080).

Almost surely, 2^{12231140411440} is an apocalyptic number.

12231140411440 is a gapful number since it is divisible by the number (10) 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 12231140411440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14712708326400).

12231140411440 is an abundant number, since it is smaller than the sum of its proper divisors (17194276241360).

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

12231140411440 is a wasteful number, since it uses less digits than its factorization.

12231140411440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93875 (or 93869 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 12231140411440 its reverse (4411404113221), we get a palindrome (16642544524661).

The spelling of 12231140411440 in words is "twelve trillion, two hundred thirty-one billion, one hundred forty million, four hundred eleven thousand, four hundred forty".