12221210047 has 2 divisors, whose sum is σ = 12221210048. Its totient is φ = 12221210046.

The previous prime is 12221210009. The next prime is 12221210051. The reversal of 12221210047 is 74001212221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221210047 - 2¹⁵ = 12221177279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221210147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110605023 + 6110605024.

It is an arithmetic number, because the mean of its divisors is an integer number (6110605024).

Almost surely, 2^12221210047 is an apocalyptic number.

12221210047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221210047 is an equidigital number, since it uses as much as digits as its factorization.

12221210047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 12221210047 its reverse (74001212221), we get a palindrome (86222422268).

The spelling of 12221210047 in words is "twelve billion, two hundred twenty-one million, two hundred ten thousand, forty-seven".