12013400947 has 2 divisors, whose sum is σ = 12013400948. Its totient is φ = 12013400946.

The previous prime is 12013400929. The next prime is 12013400969. The reversal of 12013400947 is 74900431021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12013400947 - 2¹¹ = 12013398899 is a prime.

It is not a weakly prime, because it can be changed into another prime (12013100947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006700473 + 6006700474.

It is an arithmetic number, because the mean of its divisors is an integer number (6006700474).

Almost surely, 2^12013400947 is an apocalyptic number.

12013400947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013400947 is an equidigital number, since it uses as much as digits as its factorization.

12013400947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 12013400947 its reverse (74900431021), we get a palindrome (86913831968).

The spelling of 12013400947 in words is "twelve billion, thirteen million, four hundred thousand, nine hundred forty-seven".