12124140311 has 4 divisors (see below), whose sum is σ = 12125050392. Its totient is φ = 12123230232.

The previous prime is 12124140307. The next prime is 12124140313. The reversal of 12124140311 is 11304142121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11304142121 = 78649 ⋅143729.

It is a cyclic number.

It is not a de Polignac number, because 12124140311 - 2² = 12124140307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124140313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434756 + ... + 461801.

It is an arithmetic number, because the mean of its divisors is an integer number (3031262598).

Almost surely, 2^12124140311 is an apocalyptic number.

12124140311 is a deficient number, since it is larger than the sum of its proper divisors (910081).

12124140311 is an equidigital number, since it uses as much as digits as its factorization.

12124140311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910080.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12124140311 its reverse (11304142121), we get a palindrome (23428282432).

The spelling of 12124140311 in words is "twelve billion, one hundred twenty-four million, one hundred forty thousand, three hundred eleven".