204312121342 has 8 divisors (see below), whose sum is σ = 350249350896. Its totient is φ = 87562337712.

The previous prime is 204312121297. The next prime is 204312121367. The reversal of 204312121342 is 243121213402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 7296861463 + ... + 7296861490.

It is an arithmetic number, because the mean of its divisors is an integer number (43781168862).

Almost surely, 2^204312121342 is an apocalyptic number.

204312121342 is a deficient number, since it is larger than the sum of its proper divisors (145937229554).

204312121342 is a wasteful number, since it uses less digits than its factorization.

204312121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14593722962.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204312121342 its reverse (243121213402), we get a palindrome (447433334744).

The spelling of 204312121342 in words is "two hundred four billion, three hundred twelve million, one hundred twenty-one thousand, three hundred forty-two".