12320142011 has 4 divisors (see below), whose sum is σ = 12388969800. Its totient is φ = 12251314224.

The previous prime is 12320141989. The next prime is 12320142059. The reversal of 12320142011 is 11024102321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11024102321 = 79 ⋅139545599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320142011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320142311) 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, 34413626 + ... + 34413983.

It is an arithmetic number, because the mean of its divisors is an integer number (3097242450).

Almost surely, 2^12320142011 is an apocalyptic number.

12320142011 is a deficient number, since it is larger than the sum of its proper divisors (68827789).

12320142011 is an equidigital number, since it uses as much as digits as its factorization.

12320142011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68827788.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12320142011 its reverse (11024102321), we get a palindrome (23344244332).

The spelling of 12320142011 in words is "twelve billion, three hundred twenty million, one hundred forty-two thousand, eleven".