143304212221 has 8 divisors (see below), whose sum is σ = 152256322080. Its totient is φ = 134493080688.

The previous prime is 143304212179. The next prime is 143304212279. The reversal of 143304212221 is 122212403341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143304212221 - 2¹⁷ = 143304081149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143304212621) 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 in 7 ways as a sum of consecutive naturals, for example, 35242486 + ... + 35246551.

It is an arithmetic number, because the mean of its divisors is an integer number (19032040260).

Almost surely, 2^143304212221 is an apocalyptic number.

It is an amenable number.

143304212221 is a deficient number, since it is larger than the sum of its proper divisors (8952109859).

143304212221 is a wasteful number, since it uses less digits than its factorization.

143304212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70489163.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 143304212221 its reverse (122212403341), we get a palindrome (265516615562).

The spelling of 143304212221 in words is "one hundred forty-three billion, three hundred four million, two hundred twelve thousand, two hundred twenty-one".