51598220012 has 6 divisors (see below), whose sum is σ = 90296885028. Its totient is φ = 25799110004.

The previous prime is 51598219969. The next prime is 51598220017. The reversal of 51598220012 is 21002289515.

It is not an unprimeable number, because it can be changed into a prime (51598220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449777498 + ... + 6449777505.

It is an arithmetic number, because the mean of its divisors is an integer number (15049480838).

Almost surely, 2^51598220012 is an apocalyptic number.

It is an amenable number.

51598220012 is a deficient number, since it is larger than the sum of its proper divisors (38698665016).

51598220012 is a wasteful number, since it uses less digits than its factorization.

51598220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12899555007 (or 12899555005 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 51598220012 in words is "fifty-one billion, five hundred ninety-eight million, two hundred twenty thousand, twelve".