509800457122 has 16 divisors (see below), whose sum is σ = 839817720000. Its totient is φ = 230172261040.

The previous prime is 509800457107. The next prime is 509800457143. The reversal of 509800457122 is 221754008905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77757622 + ... + 77764177.

It is an arithmetic number, because the mean of its divisors is an integer number (52488607500).

Almost surely, 2^509800457122 is an apocalyptic number.

509800457122 is a deficient number, since it is larger than the sum of its proper divisors (330017262878).

509800457122 is a wasteful number, since it uses less digits than its factorization.

509800457122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155521961.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 509800457122 in words is "five hundred nine billion, eight hundred million, four hundred fifty-seven thousand, one hundred twenty-two".