204120034122000 has 80 divisors (see below), whose sum is σ = 658082990028672. Its totient is φ = 54432009097600.

The previous prime is 204120034121987. The next prime is 204120034122031. The reversal of 204120034122000 is 221430021402.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17009996844 + ... + 17010008843.

Almost surely, 2^{204120034122000} is an apocalyptic number.

204120034122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204120034122000 is an abundant number, since it is smaller than the sum of its proper divisors (453962955906672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204120034122000 is a wasteful number, since it uses less digits than its factorization.

204120034122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020005713 (or 34020005697 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 204120034122000 its reverse (221430021402), we get a palindrome (204341464143402).

The spelling of 204120034122000 in words is "two hundred four trillion, one hundred twenty billion, thirty-four million, one hundred twenty-two thousand".