12020212222011 has 48 divisors (see below), whose sum is σ = 20277273329664. Its totient is φ = 6718505124672.

The previous prime is 12020212222001. The next prime is 12020212222087. The reversal of 12020212222011 is 11022221202021.

It is a happy number.

12020212222011 is a `hidden beast` number, since 120 + 202 + 122 + 220 + 1 + 1 = 666.

It is not a de Polignac number, because 12020212222011 - 2¹³ = 12020212213819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020212222001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3703605 + ... + 6144681.

It is an arithmetic number, because the mean of its divisors is an integer number (422443194368).

Almost surely, 2^{12020212222011} is an apocalyptic number.

12020212222011 is a deficient number, since it is larger than the sum of its proper divisors (8257061107653).

12020212222011 is a wasteful number, since it uses less digits than its factorization.

12020212222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442800 (or 2442797 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12020212222011 its reverse (11022221202021), we get a palindrome (23042433424032).

The spelling of 12020212222011 in words is "twelve trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, eleven".