12011023232011 has 4 divisors (see below), whose sum is σ = 12011030722224. Its totient is φ = 12011015741800.

The previous prime is 12011023232009. The next prime is 12011023232029. The reversal of 12011023232011 is 11023232011021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12011023232011 - 2¹ = 12011023232009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011023232011.

It is not an unprimeable number, because it can be changed into a prime (12011023032011) 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, 256600 + ... + 4907941.

It is an arithmetic number, because the mean of its divisors is an integer number (3002757680556).

Almost surely, 2^{12011023232011} is an apocalyptic number.

12011023232011 is a deficient number, since it is larger than the sum of its proper divisors (7490213).

12011023232011 is an equidigital number, since it uses as much as digits as its factorization.

12011023232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490212.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12011023232011 its reverse (11023232011021), we get a palindrome (23034255243032).

The spelling of 12011023232011 in words is "twelve trillion, eleven billion, twenty-three million, two hundred thirty-two thousand, eleven".