205534250012 has 48 divisors (see below), whose sum is σ = 442835162112. Its totient is φ = 81283435200.

The previous prime is 205534249981. The next prime is 205534250023. The reversal of 205534250012 is 210052435502.

It is a super-3 number, since 3×205534250012³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030637 + ... + 1213787.

It is an arithmetic number, because the mean of its divisors is an integer number (9225732544).

Almost surely, 2^205534250012 is an apocalyptic number.

It is an amenable number.

205534250012 is an abundant number, since it is smaller than the sum of its proper divisors (237300912100).

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

205534250012 is a wasteful number, since it uses less digits than its factorization.

205534250012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186258 (or 186256 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 205534250012 its reverse (210052435502), we get a palindrome (415586685514).

The spelling of 205534250012 in words is "two hundred five billion, five hundred thirty-four million, two hundred fifty thousand, twelve".