204143054012 has 12 divisors (see below), whose sum is σ = 365558492376. Its totient is φ = 99697770480.

The previous prime is 204143053979. The next prime is 204143054029. The reversal of 204143054012 is 210450341402.

It is a super-2 number, since 2×204143054012² (a number of 23 digits) contains 22 as substring.

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, 593438939 + ... + 593439282.

It is an arithmetic number, because the mean of its divisors is an integer number (30463207698).

Almost surely, 2^204143054012 is an apocalyptic number.

It is an amenable number.

204143054012 is a deficient number, since it is larger than the sum of its proper divisors (161415438364).

204143054012 is a wasteful number, since it uses less digits than its factorization.

204143054012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186878268 (or 1186878266 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 204143054012 its reverse (210450341402), we get a palindrome (414593395414).

The spelling of 204143054012 in words is "two hundred four billion, one hundred forty-three million, fifty-four thousand, twelve".