12020213021211 has 48 divisors (see below), whose sum is σ = 17592627349440. Its totient is φ = 7907835513600.

The previous prime is 12020213021203. The next prime is 12020213021263. The reversal of 12020213021211 is 11212031202021.

12020213021211 is a `hidden beast` number, since 120 + 202 + 130 + 2 + 1 + 211 = 666.

It is not a de Polignac number, because 12020213021211 - 2³ = 12020213021203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020213021711) 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, 475978861 + ... + 476004113.

It is an arithmetic number, because the mean of its divisors is an integer number (366513069780).

Almost surely, 2^{12020213021211} is an apocalyptic number.

12020213021211 is a deficient number, since it is larger than the sum of its proper divisors (5572414328229).

12020213021211 is a wasteful number, since it uses less digits than its factorization.

12020213021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27076 (or 27073 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12020213021211 its reverse (11212031202021), we get a palindrome (23232244223232).

The spelling of 12020213021211 in words is "twelve trillion, twenty billion, two hundred thirteen million, twenty-one thousand, two hundred eleven".