12131322140141 has 4 divisors (see below), whose sum is σ = 12132046804284. Its totient is φ = 12130597476000.

The previous prime is 12131322140129. The next prime is 12131322140167. The reversal of 12131322140141 is 14104122313121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9041387472100 + 3089934668041 = 3006890^2 + 1757821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12131322140141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12131322140141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131322140101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362306960 + ... + 362340441.

It is an arithmetic number, because the mean of its divisors is an integer number (3033011701071).

Almost surely, 2^{12131322140141} is an apocalyptic number.

It is an amenable number.

12131322140141 is a deficient number, since it is larger than the sum of its proper divisors (724664143).

12131322140141 is an equidigital number, since it uses as much as digits as its factorization.

12131322140141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724664142.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 12131322140141 its reverse (14104122313121), we get a palindrome (26235444453262).

The spelling of 12131322140141 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-two million, one hundred forty thousand, one hundred forty-one".