12012111033313 has 4 divisors (see below), whose sum is σ = 12336762682900. Its totient is φ = 11687459383728.

The previous prime is 12012111033289. The next prime is 12012111033343. The reversal of 12012111033313 is 31333011121021.

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 8639701999569 + 3372409033744 = 2939337^2 + 1836412^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012111033313 - 2¹⁷ = 12012110902241 is a prime.

It is a super-2 number, since 2×12012111033313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012111033343) 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, 162325824738 + ... + 162325824811.

It is an arithmetic number, because the mean of its divisors is an integer number (3084190670725).

Almost surely, 2^{12012111033313} is an apocalyptic number.

It is an amenable number.

12012111033313 is a deficient number, since it is larger than the sum of its proper divisors (324651649587).

12012111033313 is an equidigital number, since it uses as much as digits as its factorization.

12012111033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324651649586.

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

Adding to 12012111033313 its reverse (31333011121021), we get a palindrome (43345122154334).

The spelling of 12012111033313 in words is "twelve trillion, twelve billion, one hundred eleven million, thirty-three thousand, three hundred thirteen".