12001320047 has 2 divisors, whose sum is σ = 12001320048. Its totient is φ = 12001320046.

The previous prime is 12001319987. The next prime is 12001320083. The reversal of 12001320047 is 74002310021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001320047 - 2¹² = 12001315951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001320847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000660023 + 6000660024.

It is an arithmetic number, because the mean of its divisors is an integer number (6000660024).

Almost surely, 2^12001320047 is an apocalyptic number.

12001320047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001320047 is an equidigital number, since it uses as much as digits as its factorization.

12001320047 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 20.

Adding to 12001320047 its reverse (74002310021), we get a palindrome (86003630068).

The spelling of 12001320047 in words is "twelve billion, one million, three hundred twenty thousand, forty-seven".