204210212421043 has 8 divisors (see below), whose sum is σ = 214986243326400. Its totient is φ = 193436994014568.

The previous prime is 204210212421029. The next prime is 204210212421067. The reversal of 204210212421043 is 340124212012402.

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 204210212421043 - 2¹⁷ = 204210212289971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204210212421013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702975673 + ... + 703266106.

It is an arithmetic number, because the mean of its divisors is an integer number (26873280415800).

Almost surely, 2^{204210212421043} is an apocalyptic number.

204210212421043 is a deficient number, since it is larger than the sum of its proper divisors (10776030905357).

204210212421043 is a wasteful number, since it uses less digits than its factorization.

204210212421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406249441.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 204210212421043 its reverse (340124212012402), we get a palindrome (544334424433445).

The spelling of 204210212421043 in words is "two hundred four trillion, two hundred ten billion, two hundred twelve million, four hundred twenty-one thousand, forty-three".