144121322217 has 16 divisors (see below), whose sum is σ = 196676105472. Its totient is φ = 93832581120.

The previous prime is 144121322183. The next prime is 144121322249. The reversal of 144121322217 is 712223121441.

144121322217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144121322217 - 2⁷ = 144121322089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144121322287) 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 in 15 ways as a sum of consecutive naturals, for example, 1043608 + ... + 1173609.

It is an arithmetic number, because the mean of its divisors is an integer number (12292256592).

Almost surely, 2^144121322217 is an apocalyptic number.

It is an amenable number.

144121322217 is a deficient number, since it is larger than the sum of its proper divisors (52554783255).

144121322217 is a wasteful number, since it uses less digits than its factorization.

144121322217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217728.

The product of its digits is 5376, while the sum is 30.

Adding to 144121322217 its reverse (712223121441), we get a palindrome (856344443658).

The spelling of 144121322217 in words is "one hundred forty-four billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred seventeen".