12240131121411 has 4 divisors (see below), whose sum is σ = 16320174828552. Its totient is φ = 8160087414272.

The previous prime is 12240131121389. The next prime is 12240131121481. The reversal of 12240131121411 is 11412113104221.

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

It is a cyclic number.

It is not a de Polignac number, because 12240131121411 - 2¹⁰ = 12240131120387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12240131121481) 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, 2040021853566 + ... + 2040021853571.

It is an arithmetic number, because the mean of its divisors is an integer number (4080043707138).

Almost surely, 2^{12240131121411} is an apocalyptic number.

12240131121411 is a deficient number, since it is larger than the sum of its proper divisors (4080043707141).

12240131121411 is an equidigital number, since it uses as much as digits as its factorization.

12240131121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080043707140.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 12240131121411 its reverse (11412113104221), we get a palindrome (23652244225632).

The spelling of 12240131121411 in words is "twelve trillion, two hundred forty billion, one hundred thirty-one million, one hundred twenty-one thousand, four hundred eleven".