10205051504512 has 64 divisors (see below), whose sum is σ = 20990226378240. Its totient is φ = 4938876149760.

The previous prime is 10205051504509. The next prime is 10205051504519. The reversal of 10205051504512 is 21540515050201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205051504519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6989253 + ... + 8322244.

It is an arithmetic number, because the mean of its divisors is an integer number (327972287160).

Almost surely, 2^{10205051504512} is an apocalyptic number.

It is an amenable number.

10205051504512 is an abundant number, since it is smaller than the sum of its proper divisors (10785174873728).

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

10205051504512 is a wasteful number, since it uses less digits than its factorization.

10205051504512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311679 (or 15311667 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 10205051504512 its reverse (21540515050201), we get a palindrome (31745566554713).

The spelling of 10205051504512 in words is "ten trillion, two hundred five billion, fifty-one million, five hundred four thousand, five hundred twelve".