12012311111033 has 2 divisors, whose sum is σ = 12012311111034. Its totient is φ = 12012311111032.

The previous prime is 12012311110957. The next prime is 12012311111081. The reversal of 12012311111033 is 33011111321021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9410580822889 + 2601730288144 = 3067667^2 + 1612988^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012311111033 - 2³² = 12008016143737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012311110996 and 12012311111014.

It is not a weakly prime, because it can be changed into another prime (12012311111083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006155555516 + 6006155555517.

It is an arithmetic number, because the mean of its divisors is an integer number (6006155555517).

Almost surely, 2^{12012311111033} is an apocalyptic number.

It is an amenable number.

12012311111033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012311111033 is an equidigital number, since it uses as much as digits as its factorization.

12012311111033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 12012311111033 its reverse (33011111321021), we get a palindrome (45023422432054).

The spelling of 12012311111033 in words is "twelve trillion, twelve billion, three hundred eleven million, one hundred eleven thousand, thirty-three".