205404412000012 has 12 divisors (see below), whose sum is σ = 359627999423616. Its totient is φ = 102653555021840.

The previous prime is 205404411999937. The next prime is 205404412000129. The reversal of 205404412000012 is 210000214404502.

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, 12162735043 + ... + 12162751930.

It is an arithmetic number, because the mean of its divisors is an integer number (29968999951968).

Almost surely, 2^{205404412000012} is an apocalyptic number.

It is an amenable number.

205404412000012 is a deficient number, since it is larger than the sum of its proper divisors (154223587423604).

205404412000012 is a wasteful number, since it uses less digits than its factorization.

205404412000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24325489088 (or 24325489086 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 205404412000012 its reverse (210000214404502), we get a palindrome (415404626404514).

The spelling of 205404412000012 in words is "two hundred five trillion, four hundred four billion, four hundred twelve million, twelve", and thus it is an aban number.