204134123400001 has 16 divisors (see below), whose sum is σ = 214945294132800. Its totient is φ = 193329685942848.

The previous prime is 204134123399981. The next prime is 204134123400013. The reversal of 204134123400001 is 100004321431402.

It is a cyclic number.

It is not a de Polignac number, because 204134123400001 - 2⁴³ = 195338030377793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204134123400401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322266251 + ... + 1322420623.

It is an arithmetic number, because the mean of its divisors is an integer number (13434080883300).

Almost surely, 2^{204134123400001} is an apocalyptic number.

It is an amenable number.

204134123400001 is a deficient number, since it is larger than the sum of its proper divisors (10811170732799).

204134123400001 is a wasteful number, since it uses less digits than its factorization.

204134123400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175728.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204134123400001 its reverse (100004321431402), we get a palindrome (304138444831403).

The spelling of 204134123400001 in words is "two hundred four trillion, one hundred thirty-four billion, one hundred twenty-three million, four hundred thousand, one".