212124143 has 8 divisors (see below), whose sum is σ = 264466560. Its totient is φ = 165291480.

The previous prime is 212124131. The next prime is 212124149. The reversal of 212124143 is 341421212.

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 212124143 - 2⁴ = 212124127 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 (212124149) 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, 1377353 + ... + 1377506.

It is an arithmetic number, because the mean of its divisors is an integer number (33058320).

Almost surely, 2^212124143 is an apocalyptic number.

212124143 is a deficient number, since it is larger than the sum of its proper divisors (52342417).

212124143 is a wasteful number, since it uses less digits than its factorization.

212124143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754877.

The product of its digits is 384, while the sum is 20.

The square root of 212124143 is about 14564.4822427713. The cubic root of 212124143 is about 596.3895616536.

Adding to 212124143 its reverse (341421212), we get a palindrome (553545355).

The spelling of 212124143 in words is "two hundred twelve million, one hundred twenty-four thousand, one hundred forty-three".