212001044143 has 4 divisors (see below), whose sum is σ = 242286907600. Its totient is φ = 181715180688.

The previous prime is 212001044141. The next prime is 212001044173. The reversal of 212001044143 is 341440100212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212001044143 - 2¹ = 212001044141 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 (212001044141) 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 3 ways as a sum of consecutive naturals, for example, 15142931718 + ... + 15142931731.

It is an arithmetic number, because the mean of its divisors is an integer number (60571726900).

Almost surely, 2^212001044143 is an apocalyptic number.

212001044143 is a deficient number, since it is larger than the sum of its proper divisors (30285863457).

212001044143 is an equidigital number, since it uses as much as digits as its factorization.

212001044143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30285863456.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212001044143 its reverse (341440100212), we get a palindrome (553441144355).

The spelling of 212001044143 in words is "two hundred twelve billion, one million, forty-four thousand, one hundred forty-three".