12301221047 has 2 divisors, whose sum is σ = 12301221048. Its totient is φ = 12301221046.

The previous prime is 12301221043. The next prime is 12301221113. The reversal of 12301221047 is 74012210321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12301221047 - 2² = 12301221043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12301221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150610523 + 6150610524.

It is an arithmetic number, because the mean of its divisors is an integer number (6150610524).

Almost surely, 2^12301221047 is an apocalyptic number.

12301221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301221047 is an equidigital number, since it uses as much as digits as its factorization.

12301221047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12301221047 its reverse (74012210321), we get a palindrome (86313431368).

The spelling of 12301221047 in words is "twelve billion, three hundred one million, two hundred twenty-one thousand, forty-seven".