12012221020103 has 2 divisors, whose sum is σ = 12012221020104. Its totient is φ = 12012221020102.

The previous prime is 12012221020091. The next prime is 12012221020139. The reversal of 12012221020103 is 30102012221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012221020103 - 2¹⁶ = 12012220954567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012221020193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006110510051 + 6006110510052.

It is an arithmetic number, because the mean of its divisors is an integer number (6006110510052).

Almost surely, 2^{12012221020103} is an apocalyptic number.

12012221020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012221020103 is an equidigital number, since it uses as much as digits as its factorization.

12012221020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12012221020103 its reverse (30102012221021), we get a palindrome (42114233241124).

The spelling of 12012221020103 in words is "twelve trillion, twelve billion, two hundred twenty-one million, twenty thousand, one hundred three".