204212344122 has 12 divisors (see below), whose sum is σ = 442460078970. Its totient is φ = 68070781368.

The previous prime is 204212344081. The next prime is 204212344151. The reversal of 204212344122 is 221443212402.

It is a happy number.

204212344122 is a `hidden beast` number, since 2 + 0 + 4 + 212 + 3 + 441 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157927554801 + 46284789321 = 397401^2 + 215139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5672565097 + ... + 5672565132.

Almost surely, 2^204212344122 is an apocalyptic number.

204212344122 is an abundant number, since it is smaller than the sum of its proper divisors (238247734848).

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

204212344122 is a wasteful number, since it uses less digits than its factorization.

204212344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345130237 (or 11345130234 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 204212344122 its reverse (221443212402), we get a palindrome (425655556524).

The spelling of 204212344122 in words is "two hundred four billion, two hundred twelve million, three hundred forty-four thousand, one hundred twenty-two".