12020504005001 has 2 divisors, whose sum is σ = 12020504005002. Its totient is φ = 12020504005000.

The previous prime is 12020504004973. The next prime is 12020504005007. The reversal of 12020504005001 is 10050040502021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9065663333776 + 2954840671225 = 3010924^2 + 1718965^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020504005001 - 2¹⁴ = 12020503988617 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020504005007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010252002500 + 6010252002501.

It is an arithmetic number, because the mean of its divisors is an integer number (6010252002501).

Almost surely, 2^{12020504005001} is an apocalyptic number.

It is an amenable number.

12020504005001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020504005001 is an equidigital number, since it uses as much as digits as its factorization.

12020504005001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 12020504005001 its reverse (10050040502021), we get a palindrome (22070544507022).

The spelling of 12020504005001 in words is "twelve trillion, twenty billion, five hundred four million, five thousand, one".