12020001002047 has 2 divisors, whose sum is σ = 12020001002048. Its totient is φ = 12020001002046.

The previous prime is 12020001002033. The next prime is 12020001002117. The reversal of 12020001002047 is 74020010002021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020001002047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020001032047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010000501023 + 6010000501024.

It is an arithmetic number, because the mean of its divisors is an integer number (6010000501024).

Almost surely, 2^{12020001002047} is an apocalyptic number.

12020001002047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020001002047 is an equidigital number, since it uses as much as digits as its factorization.

12020001002047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 12020001002047 its reverse (74020010002021), we get a palindrome (86040011004068).

The spelling of 12020001002047 in words is "twelve trillion, twenty billion, one million, two thousand, forty-seven".