12222122147 has 2 divisors, whose sum is σ = 12222122148. Its totient is φ = 12222122146.

The previous prime is 12222122083. The next prime is 12222122173. The reversal of 12222122147 is 74122122221.

It is an a-pointer prime, because the next prime (12222122173) can be obtained adding 12222122147 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12222122147 - 2⁶ = 12222122083 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222121147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111061073 + 6111061074.

It is an arithmetic number, because the mean of its divisors is an integer number (6111061074).

Almost surely, 2^12222122147 is an apocalyptic number.

12222122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222122147 is an equidigital number, since it uses as much as digits as its factorization.

12222122147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 26.

Adding to 12222122147 its reverse (74122122221), we get a palindrome (86344244368).

The spelling of 12222122147 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred forty-seven".