204142101210 has 96 divisors (see below), whose sum is σ = 537184395072. Its totient is φ = 53783735040.

The previous prime is 204142101197. The next prime is 204142101271. The reversal of 204142101210 is 12101241402.

204142101210 is a `hidden beast` number, since 20 + 414 + 21 + 0 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2562397 + ... + 2640863.

It is an arithmetic number, because the mean of its divisors is an integer number (5595670782).

Almost surely, 2^204142101210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204142101210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268592197536).

204142101210 is an abundant number, since it is smaller than the sum of its proper divisors (333042293862).

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

204142101210 is a wasteful number, since it uses less digits than its factorization.

204142101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78828 (or 78825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 204142101210 its reverse (12101241402), we get a palindrome (216243342612).

The spelling of 204142101210 in words is "two hundred four billion, one hundred forty-two million, one hundred one thousand, two hundred ten".