12221440033147 has 2 divisors, whose sum is σ = 12221440033148. Its totient is φ = 12221440033146.

The previous prime is 12221440033021. The next prime is 12221440033151. The reversal of 12221440033147 is 74133004412221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221440033147 - 2²⁷ = 12221305815419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221440033547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110720016573 + 6110720016574.

It is an arithmetic number, because the mean of its divisors is an integer number (6110720016574).

Almost surely, 2^{12221440033147} is an apocalyptic number.

12221440033147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221440033147 is an equidigital number, since it uses as much as digits as its factorization.

12221440033147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 12221440033147 its reverse (74133004412221), we get a palindrome (86354444445368).

The spelling of 12221440033147 in words is "twelve trillion, two hundred twenty-one billion, four hundred forty million, thirty-three thousand, one hundred forty-seven".