12020233321011 has 4 divisors (see below), whose sum is σ = 16026977761352. Its totient is φ = 8013488880672.

The previous prime is 12020233321001. The next prime is 12020233321021. The reversal of 12020233321011 is 11012333202021.

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

It is an interprime number because it is at equal distance from previous prime (12020233321001) and next prime (12020233321021).

It is not a de Polignac number, because 12020233321011 - 2¹¹ = 12020233318963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020233321001) 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, 2003372220166 + ... + 2003372220171.

It is an arithmetic number, because the mean of its divisors is an integer number (4006744440338).

Almost surely, 2^{12020233321011} is an apocalyptic number.

12020233321011 is a deficient number, since it is larger than the sum of its proper divisors (4006744440341).

12020233321011 is an equidigital number, since it uses as much as digits as its factorization.

12020233321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006744440340.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12020233321011 its reverse (11012333202021), we get a palindrome (23032566523032).

The spelling of 12020233321011 in words is "twelve trillion, twenty billion, two hundred thirty-three million, three hundred twenty-one thousand, eleven".