12013211103133 has 4 divisors (see below), whose sum is σ = 12034031226940. Its totient is φ = 11992390979328.

The previous prime is 12013211103097. The next prime is 12013211103163. The reversal of 12013211103133 is 33130111231021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11577053885049 + 436157218084 = 3402507^2 + 660422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013211103133 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 (12013211103163) 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, 10410061038 + ... + 10410062191.

It is an arithmetic number, because the mean of its divisors is an integer number (3008507806735).

Almost surely, 2^{12013211103133} is an apocalyptic number.

It is an amenable number.

12013211103133 is a deficient number, since it is larger than the sum of its proper divisors (20820123807).

12013211103133 is an equidigital number, since it uses as much as digits as its factorization.

12013211103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20820123806.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12013211103133 its reverse (33130111231021), we get a palindrome (45143322334154).

The spelling of 12013211103133 in words is "twelve trillion, thirteen billion, two hundred eleven million, one hundred three thousand, one hundred thirty-three".