12012100220243 has 2 divisors, whose sum is σ = 12012100220244. Its totient is φ = 12012100220242.

The previous prime is 12012100220221. The next prime is 12012100220339. The reversal of 12012100220243 is 34202200121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012100220243 - 2⁴² = 7614053709139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012100220443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006050110121 + 6006050110122.

It is an arithmetic number, because the mean of its divisors is an integer number (6006050110122).

Almost surely, 2^{12012100220243} is an apocalyptic number.

12012100220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012100220243 is an equidigital number, since it uses as much as digits as its factorization.

12012100220243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12012100220243 its reverse (34202200121021), we get a palindrome (46214300341264).

The spelling of 12012100220243 in words is "twelve trillion, twelve billion, one hundred million, two hundred twenty thousand, two hundred forty-three".