204120034122001 has 16 divisors (see below), whose sum is σ = 209692458702720. Its totient is φ = 198550545701760.

The previous prime is 204120034121987. The next prime is 204120034122031. The reversal of 204120034122001 is 100221430021402.

It is a cyclic number.

It is not a de Polignac number, because 204120034122001 - 2⁷ = 204120034121873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204120034122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034260996 + ... + 3034328266.

It is an arithmetic number, because the mean of its divisors is an integer number (13105778668920).

Almost surely, 2^{204120034122001} is an apocalyptic number.

It is an amenable number.

204120034122001 is a deficient number, since it is larger than the sum of its proper divisors (5572424580719).

204120034122001 is a wasteful number, since it uses less digits than its factorization.

204120034122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87864.

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

Adding to 204120034122001 its reverse (100221430021402), we get a palindrome (304341464143403).

The spelling of 204120034122001 in words is "two hundred four trillion, one hundred twenty billion, thirty-four million, one hundred twenty-two thousand, one".