12012120121073 has 2 divisors, whose sum is σ = 12012120121074. Its totient is φ = 12012120121072.

The previous prime is 12012120120971. The next prime is 12012120121103. The reversal of 12012120121073 is 37012102121021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11405804053504 + 606316067569 = 3377248^2 + 778663^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012120121073 - 2³² = 12007825153777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012120121973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006060060536 + 6006060060537.

It is an arithmetic number, because the mean of its divisors is an integer number (6006060060537).

Almost surely, 2^{12012120121073} is an apocalyptic number.

It is an amenable number.

12012120121073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012120121073 is an equidigital number, since it uses as much as digits as its factorization.

12012120121073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 12012120121073 its reverse (37012102121021), we get a palindrome (49024222242094).

The spelling of 12012120121073 in words is "twelve trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, seventy-three".