12015305001247 has 2 divisors, whose sum is σ = 12015305001248. Its totient is φ = 12015305001246.

The previous prime is 12015305001239. The next prime is 12015305001257. The reversal of 12015305001247 is 74210050351021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12015305001247 - 2³ = 12015305001239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12015305001257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007652500623 + 6007652500624.

It is an arithmetic number, because the mean of its divisors is an integer number (6007652500624).

Almost surely, 2^{12015305001247} is an apocalyptic number.

12015305001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12015305001247 is an equidigital number, since it uses as much as digits as its factorization.

12015305001247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 12015305001247 its reverse (74210050351021), we get a palindrome (86225355352268).

The spelling of 12015305001247 in words is "twelve trillion, fifteen billion, three hundred five million, one thousand, two hundred forty-seven".