204240230124112 has 160 divisors (see below), whose sum is σ = 500346315786240. Its totient is φ = 78604876224000.

The previous prime is 204240230124101. The next prime is 204240230124137. The reversal of 204240230124112 is 211421032042402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9216189 + ... + 22213027.

It is an arithmetic number, because the mean of its divisors is an integer number (3127164473664).

Almost surely, 2^{204240230124112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204240230124112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250173157893120).

204240230124112 is an abundant number, since it is smaller than the sum of its proper divisors (296106085662128).

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

204240230124112 is a wasteful number, since it uses less digits than its factorization.

204240230124112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997161 (or 12997155 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 204240230124112 its reverse (211421032042402), we get a palindrome (415661262166514).

The spelling of 204240230124112 in words is "two hundred four trillion, two hundred forty billion, two hundred thirty million, one hundred twenty-four thousand, one hundred twelve".