212143243413 has 8 divisors (see below), whose sum is σ = 282882928608. Its totient is φ = 141416193584.

The previous prime is 212143243379. The next prime is 212143243421. The reversal of 212143243413 is 314342341212.

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 212143243413 - 2⁹ = 212143242901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212143243493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119595 + ... + 3186872.

It is an arithmetic number, because the mean of its divisors is an integer number (35360366076).

Almost surely, 2^212143243413 is an apocalyptic number.

It is an amenable number.

212143243413 is a deficient number, since it is larger than the sum of its proper divisors (70739685195).

212143243413 is a wasteful number, since it uses less digits than its factorization.

212143243413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317683.

The product of its digits is 13824, while the sum is 30.

Adding to 212143243413 its reverse (314342341212), we get a palindrome (526485584625).

The spelling of 212143243413 in words is "two hundred twelve billion, one hundred forty-three million, two hundred forty-three thousand, four hundred thirteen".