51056330012 has 6 divisors (see below), whose sum is σ = 89348577528. Its totient is φ = 25528165004.

The previous prime is 51056329999. The next prime is 51056330023. The reversal of 51056330012 is 21003365015.

51056330012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382041248 + ... + 6382041255.

It is an arithmetic number, because the mean of its divisors is an integer number (14891429588).

Almost surely, 2^51056330012 is an apocalyptic number.

It is an amenable number.

51056330012 is a deficient number, since it is larger than the sum of its proper divisors (38292247516).

51056330012 is a wasteful number, since it uses less digits than its factorization.

51056330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764082507 (or 12764082505 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 51056330012 its reverse (21003365015), we get a palindrome (72059695027).

The spelling of 51056330012 in words is "fifty-one billion, fifty-six million, three hundred thirty thousand, twelve".