12013215047 has 2 divisors, whose sum is σ = 12013215048. Its totient is φ = 12013215046.

The previous prime is 12013214989. The next prime is 12013215061. The reversal of 12013215047 is 74051231021.

It is a strong prime.

It is an emirp because it is prime and its reverse (74051231021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12013215047 - 2⁸ = 12013214791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12013215847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006607523 + 6006607524.

It is an arithmetic number, because the mean of its divisors is an integer number (6006607524).

Almost surely, 2^12013215047 is an apocalyptic number.

12013215047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013215047 is an equidigital number, since it uses as much as digits as its factorization.

12013215047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 12013215047 its reverse (74051231021), we get a palindrome (86064446068).

The spelling of 12013215047 in words is "twelve billion, thirteen million, two hundred fifteen thousand, forty-seven".