12020331322011 has 8 divisors (see below), whose sum is σ = 16723939230720. Its totient is φ = 7665138813992.

The previous prime is 12020331322009. The next prime is 12020331322067. The reversal of 12020331322011 is 11022313302021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020331322011 - 2¹ = 12020331322009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020331322081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87103850091 + ... + 87103850228.

It is an arithmetic number, because the mean of its divisors is an integer number (2090492403840).

Almost surely, 2^{12020331322011} is an apocalyptic number.

12020331322011 is a deficient number, since it is larger than the sum of its proper divisors (4703607908709).

12020331322011 is a wasteful number, since it uses less digits than its factorization.

12020331322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174207700345.

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

Adding to 12020331322011 its reverse (11022313302021), we get a palindrome (23042644624032).

The spelling of 12020331322011 in words is "twelve trillion, twenty billion, three hundred thirty-one million, three hundred twenty-two thousand, eleven".