205424432612 has 24 divisors (see below), whose sum is σ = 415798856256. Its totient is φ = 86978330208.

The previous prime is 205424432611. The next prime is 205424432621. The reversal of 205424432612 is 216234424502.

It is not an unprimeable number, because it can be changed into a prime (205424432611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44193983 + ... + 44198630.

It is an arithmetic number, because the mean of its divisors is an integer number (17324952344).

Almost surely, 2^205424432612 is an apocalyptic number.

It is an amenable number.

205424432612 is an abundant number, since it is smaller than the sum of its proper divisors (210374423644).

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

205424432612 is a wasteful number, since it uses less digits than its factorization.

205424432612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88392707 (or 88392705 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 205424432612 in words is "two hundred five billion, four hundred twenty-four million, four hundred thirty-two thousand, six hundred twelve".