204121244112034 has 4 divisors (see below), whose sum is σ = 306181866168054. Its totient is φ = 102060622056016.

The previous prime is 204121244112007. The next prime is 204121244112101. The reversal of 204121244112034 is 430211442121402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 188153427911409 + 15967816200625 = 13716903^2 + 3995975^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204121244111987 and 204121244112005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51030311028007 + ... + 51030311028010.

Almost surely, 2^{204121244112034} is an apocalyptic number.

204121244112034 is a deficient number, since it is larger than the sum of its proper divisors (102060622056020).

204121244112034 is a wasteful number, since it uses less digits than its factorization.

204121244112034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102060622056019.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 204121244112034 its reverse (430211442121402), we get a palindrome (634332686233436).

The spelling of 204121244112034 in words is "two hundred four trillion, one hundred twenty-one billion, two hundred forty-four million, one hundred twelve thousand, thirty-four".