204120034121443 has 8 divisors (see below), whose sum is σ = 223103802787056. Its totient is φ = 185207499110400.

The previous prime is 204120034121383. The next prime is 204120034121489. The reversal of 204120034121443 is 344121430021402.

It is a happy number.

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 204120034121443 - 2¹³ = 204120034113251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204120034121243) 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, 17808407646 + ... + 17808419107.

It is an arithmetic number, because the mean of its divisors is an integer number (27887975348382).

Almost surely, 2^{204120034121443} is an apocalyptic number.

204120034121443 is a deficient number, since it is larger than the sum of its proper divisors (18983768665613).

204120034121443 is a wasteful number, since it uses less digits than its factorization.

204120034121443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35616827285.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 204120034121443 its reverse (344121430021402), we get a palindrome (548241464142845).

The spelling of 204120034121443 in words is "two hundred four trillion, one hundred twenty billion, thirty-four million, one hundred twenty-one thousand, four hundred forty-three".