204042100112 has 20 divisors (see below), whose sum is σ = 395339599920. Its totient is φ = 102018977568.

The previous prime is 204042100103. The next prime is 204042100147. The reversal of 204042100112 is 211001240402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960839 + ... + 1153817.

It is an arithmetic number, because the mean of its divisors is an integer number (19766979996).

Almost surely, 2^204042100112 is an apocalyptic number.

It is an amenable number.

204042100112 is a deficient number, since it is larger than the sum of its proper divisors (191297499808).

204042100112 is a wasteful number, since it uses less digits than its factorization.

204042100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259070 (or 259064 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 204042100112 its reverse (211001240402), we get a palindrome (415043340514).

The spelling of 204042100112 in words is "two hundred four billion, forty-two million, one hundred thousand, one hundred twelve".