3216212143 has 8 divisors (see below), whose sum is σ = 3337177680. Its totient is φ = 3095917440.

The previous prime is 3216212141. The next prime is 3216212147. The reversal of 3216212143 is 3412126123.

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 3216212143 - 2¹ = 3216212141 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 (3216212141) 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 7 ways as a sum of consecutive naturals, for example, 157930 + ... + 177127.

It is an arithmetic number, because the mean of its divisors is an integer number (417147210).

Almost surely, 2^3216212143 is an apocalyptic number.

3216212143 is a deficient number, since it is larger than the sum of its proper divisors (120965537).

3216212143 is a wasteful number, since it uses less digits than its factorization.

3216212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335417.

The product of its digits is 1728, while the sum is 25.

The square root of 3216212143 is about 56711.6579108740. The cubic root of 3216212143 is about 1476.0969938378.

Adding to 3216212143 its reverse (3412126123), we get a palindrome (6628338266).

The spelling of 3216212143 in words is "three billion, two hundred sixteen million, two hundred twelve thousand, one hundred forty-three".