204442721612 has 6 divisors (see below), whose sum is σ = 357774762828. Its totient is φ = 102221360804.

The previous prime is 204442721611. The next prime is 204442721629. The reversal of 204442721612 is 216127244402.

It is not an unprimeable number, because it can be changed into a prime (204442721611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555340198 + ... + 25555340205.

It is an arithmetic number, because the mean of its divisors is an integer number (59629127138).

Almost surely, 2^204442721612 is an apocalyptic number.

It is an amenable number.

204442721612 is a deficient number, since it is larger than the sum of its proper divisors (153332041216).

204442721612 is a wasteful number, since it uses less digits than its factorization.

204442721612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51110680407 (or 51110680405 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 204442721612 in words is "two hundred four billion, four hundred forty-two million, seven hundred twenty-one thousand, six hundred twelve".