12020203111133 has 32 divisors (see below), whose sum is σ = 15101888624640. Its totient is φ = 9328476991680.

The previous prime is 12020203111127. The next prime is 12020203111141. The reversal of 12020203111133 is 33111130202021.

It is a happy number.

It is not a de Polignac number, because 12020203111133 - 2¹² = 12020203107037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020203111183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1949066 + ... + 5276292.

It is an arithmetic number, because the mean of its divisors is an integer number (471934019520).

Almost surely, 2^{12020203111133} is an apocalyptic number.

It is an amenable number.

12020203111133 is a deficient number, since it is larger than the sum of its proper divisors (3081685513507).

12020203111133 is a wasteful number, since it uses less digits than its factorization.

12020203111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328457.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12020203111133 its reverse (33111130202021), we get a palindrome (45131333313154).

The spelling of 12020203111133 in words is "twelve trillion, twenty billion, two hundred three million, one hundred eleven thousand, one hundred thirty-three".